Based on the comprehensive information gathered, I’ll now write the complete article following the exact format and guidelines specified.
The GMC Sierra 3500 has been produced from 2001 to present with multiple engine options including gasoline and diesel variants. Using the correct oil capacity, viscosity, and type is essential for maintaining engine performance and longevity. This guide lists all model years with full oil specifications and maintenance recommendations for each engine configuration.
The Sierra 3500 is offered with several powertrains across its production run, including the 8.1L Vortec V8, 6.0L Vortec V8, 6.6L Duramax diesel, and 6.6L gasoline V8 engines. Each engine has specific oil requirements to ensure optimal protection and performance under heavy-duty conditions.
Quick Navigation
2025 GMC Sierra 3500 Engine Oil Capacity
6.6L Gas V8 (L8T)
| Specification | Detail |
|---|---|
| Engine | 6.6L V8 Gas (L8T) |
| Oil Capacity (with Filter) | 8.0 qt (7.6 L) |
| Oil Capacity (without Filter) | 7.6 qt (7.2 L) |
| Recommended Oil Type | Full Synthetic |
| Viscosity | SAE 5W-30 (dexos1 Gen 3) |
| Oil Change Interval | Every 7,500 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF63, Mobil 1 M1-110A, K&N HP-1017 |
The 2025 GMC Sierra 3500 with the 6.6L L8T gasoline engine requires 8.0 quarts of full synthetic oil with filter. Using SAE 5W-30 dexos1 Gen 3 certified oil provides optimal protection and efficiency for this 401-horsepower engine.
6.6L Duramax Diesel V8 (L5P)
| Specification | Detail |
|---|---|
| Engine | 6.6L V8 Duramax Diesel (L5P) |
| Oil Capacity (with Filter) | 10.0 qt (9.5 L) |
| Oil Capacity (without Filter) | 9.5 qt (9.0 L) |
| Recommended Oil Type | Full Synthetic Diesel |
| Viscosity | SAE 15W-40 (CK-4), SAE 5W-40 (cold climates) |
| Oil Change Interval | Every 10,000 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF457G (GM 12605566), Mobil 1 M1-605A, K&N HP-8024 |
The 2025 GMC Sierra 3500 equipped with the 6.6L Duramax diesel holds 10.0 quarts of oil with filter replacement. This diesel engine requires CK-4 certified oil meeting dexosD specifications for maximum engine protection and longevity.
2024 GMC Sierra 3500 Engine Oil Capacity
6.6L Gas V8 (L8T)
| Specification | Detail |
|---|---|
| Engine | 6.6L V8 Gas (L8T) |
| Oil Capacity (with Filter) | 8.0 qt (7.6 L) |
| Oil Capacity (without Filter) | 7.6 qt (7.2 L) |
| Recommended Oil Type | Full Synthetic |
| Viscosity | SAE 5W-30 (dexos1 Gen 3) |
| Oil Change Interval | Every 7,500 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF63, Mobil 1 M1-110A, K&N HP-1017 |
The 2024 GMC Sierra 3500 uses a 6.6L gas V8 that requires 8.0 quarts of full synthetic oil. Using SAE 5W-30 dexos1 oil provides the right balance of protection and efficiency under normal driving conditions.
6.6L Duramax Diesel V8 (L5P)
| Specification | Detail |
|---|---|
| Engine | 6.6L V8 Duramax Diesel (L5P) |
| Oil Capacity (with Filter) | 10.0 qt (9.5 L) |
| Oil Capacity (without Filter) | 9.5 qt (9.0 L) |
| Recommended Oil Type | Full Synthetic Diesel |
| Viscosity | SAE 15W-40 (CK-4), SAE 5W-40 (cold climates) |
| Oil Change Interval | Every 10,000 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF457G (GM 12605566), Mobil 1 M1-605A, K&N HP-8024 |
The 2024 GMC Sierra 3500 with Duramax diesel requires 10.0 quarts of CK-4 certified synthetic diesel oil. The L5P engine benefits from extended oil change intervals when using quality synthetic oil.
2023 GMC Sierra 3500 Engine Oil Capacity
6.6L Gas V8 (L8T)
| Specification | Detail |
|---|---|
| Engine | 6.6L V8 Gas (L8T) |
| Oil Capacity (with Filter) | 8.0 qt (7.6 L) |
| Oil Capacity (without Filter) | 7.6 qt (7.2 L) |
| Recommended Oil Type | Full Synthetic |
| Viscosity | SAE 5W-30 (dexos1) |
| Oil Change Interval | Every 7,500 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF63, Mobil 1 M1-110A, K&N HP-1017 |
The 2023 GMC Sierra 3500 with the L8T engine requires 8.0 quarts of dexos1 certified synthetic oil. This gasoline engine delivers 401 horsepower and 464 lb-ft of torque when properly maintained.
6.6L Duramax Diesel V8 (L5P)
| Specification | Detail |
|---|---|
| Engine | 6.6L V8 Duramax Diesel (L5P) |
| Oil Capacity (with Filter) | 10.0 qt (9.5 L) |
| Oil Capacity (without Filter) | 9.5 qt (9.0 L) |
| Recommended Oil Type | Full Synthetic Diesel |
| Viscosity | SAE 15W-40 (CK-4), SAE 5W-40 (cold climates) |
| Oil Change Interval | Every 10,000 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF457G (GM 12605566), Mobil 1 M1-605A, K&N HP-8024 |
The 2023 GMC Sierra 3500 diesel model holds 10.0 quarts of synthetic diesel oil. Using CK-4 rated oil ensures proper protection for the advanced emissions systems.
2022 GMC Sierra 3500 Engine Oil Capacity
6.6L Gas V8 (L8T)
| Specification | Detail |
|---|---|
| Engine | 6.6L V8 Gas (L8T) |
| Oil Capacity (with Filter) | 8.0 qt (7.6 L) |
| Oil Capacity (without Filter) | 7.6 qt (7.2 L) |
| Recommended Oil Type | Full Synthetic |
| Viscosity | SAE 5W-30 (dexos1) |
| Oil Change Interval | Every 7,500 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF63, Mobil 1 M1-110A, K&N HP-1017 |
The 2022 GMC Sierra 3500 uses a 6.6L gasoline V8 requiring 8.0 quarts of full synthetic oil. Oil change intervals are typically 7,500 to 10,000 miles depending on driving conditions.
6.6L Duramax Diesel V8 (L5P)
| Specification | Detail |
|---|---|
| Engine | 6.6L V8 Duramax Diesel (L5P) |
| Oil Capacity (with Filter) | 10.0 qt (9.5 L) |
| Oil Capacity (without Filter) | 9.5 qt (9.0 L) |
| Recommended Oil Type | Full Synthetic Diesel |
| Viscosity | SAE 15W-40 (CK-4), SAE 5W-40 (cold climates) |
| Oil Change Interval | Every 10,000 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF457G (GM 12605566), Mobil 1 M1-605A, K&N HP-8024 |
The 2022 GMC Sierra 3500 with Duramax diesel requires 10.0 quarts of CK-4 synthetic oil. Regular oil changes at recommended intervals maintain optimal diesel engine performance.
2021 GMC Sierra 3500 Engine Oil Capacity
6.6L Gas V8 (L8T)
| Specification | Detail |
|---|---|
| Engine | 6.6L V8 Gas (L8T) |
| Oil Capacity (with Filter) | 8.0 qt (7.6 L) |
| Oil Capacity (without Filter) | 7.6 qt (7.2 L) |
| Recommended Oil Type | Full Synthetic |
| Viscosity | SAE 5W-30 (dexos1) |
| Oil Change Interval | Every 7,500 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF63, Mobil 1 M1-110A, K&N HP-1017 |
The 2021 GMC Sierra 3500 equipped with the L8T gasoline engine holds 8.0 quarts with filter. Synthetic oil meeting dexos1 specifications is required for proper engine protection.
6.6L Duramax Diesel V8 (L5P)
| Specification | Detail |
|---|---|
| Engine | 6.6L V8 Duramax Diesel (L5P) |
| Oil Capacity (with Filter) | 10.0 qt (9.5 L) |
| Oil Capacity (without Filter) | 9.5 qt (9.0 L) |
| Recommended Oil Type | Full Synthetic Diesel |
| Viscosity | SAE 15W-40 (CK-4), SAE 5W-40 (cold climates) |
| Oil Change Interval | Every 10,000 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF457G (GM 12605566), Mobil 1 M1-605A, K&N HP-8024 |
The 2021 GMC Sierra 3500 with the 6.6L Duramax requires 10.0 quarts of synthetic diesel oil. Using oil meeting CK-4 specifications ensures compatibility with diesel particulate filters.
2020 GMC Sierra 3500 Engine Oil Capacity
6.6L Gas V8 (L8T)
| Specification | Detail |
|---|---|
| Engine | 6.6L V8 Gas (L8T) |
| Oil Capacity (with Filter) | 8.0 qt (7.6 L) |
| Oil Capacity (without Filter) | 7.6 qt (7.2 L) |
| Recommended Oil Type | Full Synthetic |
| Viscosity | SAE 5W-30 (dexos1) |
| Oil Change Interval | Every 7,500 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF63, Mobil 1 M1-110A, K&N HP-1017 |
The 2020 GMC Sierra 3500 introduced the new 6.6L L8T gas engine requiring 8.0 quarts of oil. This was the first year for the updated gasoline powerplant in the Sierra 3500 HD lineup.
6.6L Duramax Diesel V8 (L5P)
| Specification | Detail |
|---|---|
| Engine | 6.6L V8 Duramax Diesel (L5P) |
| Oil Capacity (with Filter) | 10.0 qt (9.5 L) |
| Oil Capacity (without Filter) | 9.5 qt (9.0 L) |
| Recommended Oil Type | Full Synthetic Diesel |
| Viscosity | SAE 15W-40 (CK-4), SAE 5W-40 (cold climates) |
| Oil Change Interval | Every 10,000 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF457G (GM 12605566), Mobil 1 M1-605A, K&N HP-8024 |
The 2020 GMC Sierra 3500 diesel requires 10.0 quarts of CK-4 certified oil. The L5P Duramax continued with proven oil specifications from previous years.
2019 GMC Sierra 3500 Engine Oil Capacity
6.0L Gas V8 (L96)
| Specification | Detail |
|---|---|
| Engine | 6.0L V8 Gas (L96) |
| Oil Capacity (with Filter) | 6.0 qt (5.7 L) |
| Oil Capacity (without Filter) | 5.5 qt (5.2 L) |
| Recommended Oil Type | Full Synthetic |
| Viscosity | SAE 5W-30 (dexos1) |
| Oil Change Interval | Every 7,500 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF48, Mobil 1 M1-104A, K&N HP-1002 |
The 2019 GMC Sierra 3500 with the 6.0L Vortec V8 requires 6.0 quarts of synthetic oil. This engine delivers 360 horsepower with proper maintenance and oil specifications.
6.6L Duramax Diesel V8 (L5P)
| Specification | Detail |
|---|---|
| Engine | 6.6L V8 Duramax Diesel (L5P) |
| Oil Capacity (with Filter) | 10.0 qt (9.5 L) |
| Oil Capacity (without Filter) | 9.5 qt (9.0 L) |
| Recommended Oil Type | Full Synthetic Diesel |
| Viscosity | SAE 15W-40 (CK-4), SAE 5W-40 (cold climates) |
| Oil Change Interval | Every 10,000 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF457G (GM 12605566), Mobil 1 M1-605A, K&N HP-8024 |
The 2019 GMC Sierra 3500 diesel uses 10.0 quarts of CK-4 rated synthetic oil. The L5P engine requires low-ash oil formulations for diesel particulate filter longevity.
2018 GMC Sierra 3500 Engine Oil Capacity
6.0L Gas V8 (L96)
| Specification | Detail |
|---|---|
| Engine | 6.0L V8 Gas (L96) |
| Oil Capacity (with Filter) | 6.0 qt (5.7 L) |
| Oil Capacity (without Filter) | 5.5 qt (5.2 L) |
| Recommended Oil Type | Full Synthetic |
| Viscosity | SAE 5W-30 (dexos1) |
| Oil Change Interval | Every 7,500 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF48, Mobil 1 M1-104A, K&N HP-1002 |
The 2018 GMC Sierra 3500 with 6.0L gas engine holds 6.0 quarts of dexos1 synthetic oil. Regular oil changes maintain the variable valve timing system performance.
6.6L Duramax Diesel V8 (L5P)
| Specification | Detail |
|---|---|
| Engine | 6.6L V8 Duramax Diesel (L5P) |
| Oil Capacity (with Filter) | 10.0 qt (9.5 L) |
| Oil Capacity (without Filter) | 9.5 qt (9.0 L) |
| Recommended Oil Type | Full Synthetic Diesel |
| Viscosity | SAE 15W-40 (CK-4), SAE 5W-40 (cold climates) |
| Oil Change Interval | Every 10,000 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF457G (GM 12605566), Mobil 1 M1-605A, K&N HP-8024 |
The 2018 GMC Sierra 3500 diesel requires 10.0 quarts of CK-4 synthetic diesel oil. This model year continued using the L5P Duramax with proven specifications.
2017 GMC Sierra 3500 Engine Oil Capacity
6.0L Gas V8 (L96)
| Specification | Detail |
|---|---|
| Engine | 6.0L V8 Gas (L96) |
| Oil Capacity (with Filter) | 6.0 qt (5.7 L) |
| Oil Capacity (without Filter) | 5.5 qt (5.2 L) |
| Recommended Oil Type | Full Synthetic |
| Viscosity | SAE 5W-30 (dexos1) |
| Oil Change Interval | Every 7,500 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF48, Mobil 1 M1-104A, K&N HP-1002 |
The 2017 GMC Sierra 3500 gasoline model requires 6.0 quarts of synthetic oil meeting dexos1 standards. Proper oil viscosity ensures protection across operating temperature ranges.
6.6L Duramax Diesel V8 (L5P)
| Specification | Detail |
|---|---|
| Engine | 6.6L V8 Duramax Diesel (L5P) |
| Oil Capacity (with Filter) | 10.0 qt (9.5 L) |
| Oil Capacity (without Filter) | 9.5 qt (9.0 L) |
| Recommended Oil Type | Full Synthetic Diesel |
| Viscosity | SAE 15W-40 (CK-4), SAE 5W-40 (cold climates) |
| Oil Change Interval | Every 10,000 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF457G (GM 12605566), Mobil 1 M1-605A, K&N HP-8024 |
The 2017 GMC Sierra 3500 introduced the new L5P Duramax diesel requiring 10.0 quarts. This was the first year for the updated Duramax engine platform.
2016 GMC Sierra 3500 Engine Oil Capacity
6.0L Gas V8 (L96)
| Specification | Detail |
|---|---|
| Engine | 6.0L V8 Gas (L96) |
| Oil Capacity (with Filter) | 6.0 qt (5.7 L) |
| Oil Capacity (without Filter) | 5.5 qt (5.2 L) |
| Recommended Oil Type | Full Synthetic |
| Viscosity | SAE 5W-30 (dexos1) |
| Oil Change Interval | Every 7,500 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF48, Mobil 1 M1-104A, K&N HP-1002 |
The 2016 GMC Sierra 3500 with 6.0L engine holds 6.0 quarts of dexos1 certified oil. This engine configuration provides reliable heavy-duty performance with proper lubrication.
6.6L Duramax Diesel V8 (LML)
| Specification | Detail |
|---|---|
| Engine | 6.6L V8 Duramax Diesel (LML) |
| Oil Capacity (with Filter) | 10.0 qt (9.5 L) |
| Oil Capacity (without Filter) | 9.5 qt (9.0 L) |
| Recommended Oil Type | Full Synthetic Diesel |
| Viscosity | SAE 15W-40 (CJ-4), SAE 5W-40 (cold climates) |
| Oil Change Interval | Every 10,000 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF457G (GM 12605566), Mobil 1 M1-605A, K&N HP-8024 |
The 2016 GMC Sierra 3500 diesel requires 10.0 quarts of CJ-4 rated synthetic oil. The LML Duramax requires low-ash oil for emissions system protection.
2015 GMC Sierra 3500 Engine Oil Capacity
6.0L Gas V8 (L96)
| Specification | Detail |
|---|---|
| Engine | 6.0L V8 Gas (L96) |
| Oil Capacity (with Filter) | 6.0 qt (5.7 L) |
| Oil Capacity (without Filter) | 5.5 qt (5.2 L) |
| Recommended Oil Type | Full Synthetic |
| Viscosity | SAE 5W-30 (dexos1) |
| Oil Change Interval | Every 7,500 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF48, Mobil 1 M1-104A, K&N HP-1002 |
The 2015 GMC Sierra 3500 gasoline model uses 6.0 quarts of synthetic oil. Following manufacturer recommended oil specifications ensures warranty compliance.
6.6L Duramax Diesel V8 (LML)
| Specification | Detail |
|---|---|
| Engine | 6.6L V8 Duramax Diesel (LML) |
| Oil Capacity (with Filter) | 10.0 qt (9.5 L) |
| Oil Capacity (without Filter) | 9.5 qt (9.0 L) |
| Recommended Oil Type | Full Synthetic Diesel |
| Viscosity | SAE 15W-40 (CJ-4), SAE 5W-40 (cold climates) |
| Oil Change Interval | Every 10,000 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF457G (GM 12605566), Mobil 1 M1-605A, K&N HP-8024 |
The 2015 GMC Sierra 3500 diesel holds 10.0 quarts of CJ-4 certified oil. Regular oil analysis can help extend service intervals for fleet applications.
2014 GMC Sierra 3500 Engine Oil Capacity
6.0L Gas V8 (L96)
| Specification | Detail |
|---|---|
| Engine | 6.0L V8 Gas (L96) |
| Oil Capacity (with Filter) | 6.0 qt (5.7 L) |
| Oil Capacity (without Filter) | 5.5 qt (5.2 L) |
| Recommended Oil Type | Full Synthetic |
| Viscosity | SAE 5W-30 (dexos1) |
| Oil Change Interval | Every 7,500 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF48, Mobil 1 M1-104A, K&N HP-1002 |
The 2014 GMC Sierra 3500 with 6.0L engine requires 6.0 quarts of dexos1 oil. This model year featured updated styling with proven powertrain specifications.
6.6L Duramax Diesel V8 (LML)
| Specification | Detail |
|---|---|
| Engine | 6.6L V8 Duramax Diesel (LML) |
| Oil Capacity (with Filter) | 10.0 qt (9.5 L) |
| Oil Capacity (without Filter) | 9.5 qt (9.0 L) |
| Recommended Oil Type | Full Synthetic Diesel |
| Viscosity | SAE 15W-40 (CJ-4), SAE 5W-40 (cold climates) |
| Oil Change Interval | Every 10,000 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF457G (GM 12605566), Mobil 1 M1-605A, K&N HP-8024 |
The 2014 GMC Sierra 3500 diesel uses 10.0 quarts of synthetic diesel oil. Oil change intervals should be monitored via the oil life system.
2013 GMC Sierra 3500 Engine Oil Capacity
6.0L Gas V8 (L96)
| Specification | Detail |
|---|---|
| Engine | 6.0L V8 Gas (L96) |
| Oil Capacity (with Filter) | 6.0 qt (5.7 L) |
| Oil Capacity (without Filter) | 5.5 qt (5.2 L) |
| Recommended Oil Type | Full Synthetic |
| Viscosity | SAE 5W-30 (dexos1) |
| Oil Change Interval | Every 7,500 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF48, Mobil 1 M1-104A, K&N HP-1002 |
The 2013 GMC Sierra 3500 gasoline model holds 6.0 quarts of synthetic oil with filter. Using manufacturer specified oil maintains fuel economy and performance.
6.6L Duramax Diesel V8 (LML)
| Specification | Detail |
|---|---|
| Engine | 6.6L V8 Duramax Diesel (LML) |
| Oil Capacity (with Filter) | 10.0 qt (9.5 L) |
| Oil Capacity (without Filter) | 9.5 qt (9.0 L) |
| Recommended Oil Type | Full Synthetic Diesel |
| Viscosity | SAE 15W-40 (CJ-4), SAE 5W-40 (cold climates) |
| Oil Change Interval | Every 10,000 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF457G (GM 12605566), Mobil 1 M1-605A, K&N HP-8024 |
The 2013 GMC Sierra 3500 diesel requires 10.0 quarts of CJ-4 certified oil. Diesel engines benefit from synthetic oil formulations for extended drain intervals.
2012 GMC Sierra 3500 Engine Oil Capacity
6.0L Gas V8 (L96)
| Specification | Detail |
|---|---|
| Engine | 6.0L V8 Gas (L96) |
| Oil Capacity (with Filter) | 6.0 qt (5.7 L) |
| Oil Capacity (without Filter) | 5.5 qt (5.2 L) |
| Recommended Oil Type | Full Synthetic |
| Viscosity | SAE 5W-30 (dexos1) |
| Oil Change Interval | Every 7,500 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF48, Mobil 1 M1-104A, K&N HP-1002 |
The 2012 GMC Sierra 3500 with 6.0L engine uses 6.0 quarts of dexos1 synthetic oil. Regular maintenance following specifications ensures long-term reliability.
6.6L Duramax Diesel V8 (LML)
| Specification | Detail |
|---|---|
| Engine | 6.6L V8 Duramax Diesel (LML) |
| Oil Capacity (with Filter) | 10.0 qt (9.5 L) |
| Oil Capacity (without Filter) | 9.5 qt (9.0 L) |
| Recommended Oil Type | Full Synthetic Diesel |
| Viscosity | SAE 15W-40 (CJ-4), SAE 5W-40 (cold climates) |
| Oil Change Interval | Every 10,000 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF457G (GM 12605566), Mobil 1 M1-605A, K&N HP-8024 |
The 2012 GMC Sierra 3500 diesel holds 10.0 quarts of CJ-4 rated oil. This model year continued with the LML Duramax platform specifications.
2011 GMC Sierra 3500 Engine Oil Capacity
6.0L Gas V8 (L96)
| Specification | Detail |
|---|---|
| Engine | 6.0L V8 Gas (L96) |
| Oil Capacity (with Filter) | 6.0 qt (5.7 L) |
| Oil Capacity (without Filter) | 5.5 qt (5.2 L) |
| Recommended Oil Type | Full Synthetic |
| Viscosity | SAE 5W-30 (dexos1) |
| Oil Change Interval | Every 7,500 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF48, Mobil 1 M1-104A, K&N HP-1002 |
The 2011 GMC Sierra 3500 gasoline model requires 6.0 quarts of synthetic oil. Variable valve timing requires proper oil viscosity for optimal performance.
6.6L Duramax Diesel V8 (LML)
| Specification | Detail |
|---|---|
| Engine | 6.6L V8 Duramax Diesel (LML) |
| Oil Capacity (with Filter) | 10.0 qt (9.5 L) |
| Oil Capacity (without Filter) | 9.5 qt (9.0 L) |
| Recommended Oil Type | Full Synthetic Diesel |
| Viscosity | SAE 15W-40 (CJ-4), SAE 5W-40 (cold climates) |
| Oil Change Interval | Every 10,000 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF457G (GM 12605566), Mobil 1 M1-605A, K&N HP-8024 |
The 2011 GMC Sierra 3500 introduced the LML Duramax requiring 10.0 quarts of oil. This was the first year for the updated diesel engine generation.
2010 GMC Sierra 3500 Engine Oil Capacity
6.0L Gas V8 (L96)
| Specification | Detail |
|---|---|
| Engine | 6.0L V8 Gas (L96) |
| Oil Capacity (with Filter) | 6.0 qt (5.7 L) |
| Oil Capacity (without Filter) | 5.5 qt (5.2 L) |
| Recommended Oil Type | Synthetic Blend or Full Synthetic |
| Viscosity | SAE 5W-30 |
| Oil Change Interval | Every 5,000-7,500 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF48, Mobil 1 M1-104A, K&N HP-1002 |
The 2010 GMC Sierra 3500 with 6.0L engine holds 6.0 quarts of oil with filter. This model year predates the dexos1 specification requirement.
6.6L Duramax Diesel V8 (LMM)
| Specification | Detail |
|---|---|
| Engine | 6.6L V8 Duramax Diesel (LMM) |
| Oil Capacity (with Filter) | 10.0 qt (9.5 L) |
| Oil Capacity (without Filter) | 9.5 qt (9.0 L) |
| Recommended Oil Type | Full Synthetic Diesel |
| Viscosity | SAE 15W-40 (CJ-4), SAE 5W-40 (cold climates) |
| Oil Change Interval | Every 10,000 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF457G (GM 12605566), Mobil 1 M1-605A, K&N HP-8024 |
The 2010 GMC Sierra 3500 diesel uses 10.0 quarts of CJ-4 certified oil. The LMM engine requires low-ash oil for diesel particulate filter compatibility.
2009 GMC Sierra 3500 Engine Oil Capacity
6.0L Gas V8 (L96)
| Specification | Detail |
|---|---|
| Engine | 6.0L V8 Gas (L96) |
| Oil Capacity (with Filter) | 6.0 qt (5.7 L) |
| Oil Capacity (without Filter) | 5.5 qt (5.2 L) |
| Recommended Oil Type | Synthetic Blend or Full Synthetic |
| Viscosity | SAE 5W-30 |
| Oil Change Interval | Every 5,000-7,500 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF48, Mobil 1 M1-104A, K&N HP-1002 |
The 2009 GMC Sierra 3500 gasoline model requires 6.0 quarts of 5W-30 oil. Regular oil changes help maintain the variable valve timing system.
6.6L Duramax Diesel V8 (LMM)
| Specification | Detail |
|---|---|
| Engine | 6.6L V8 Duramax Diesel (LMM) |
| Oil Capacity (with Filter) | 10.0 qt (9.5 L) |
| Oil Capacity (without Filter) | 9.5 qt (9.0 L) |
| Recommended Oil Type | Full Synthetic Diesel |
| Viscosity | SAE 15W-40 (CJ-4), SAE 5W-40 (cold climates) |
| Oil Change Interval | Every 10,000 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF457G (GM 12605566), Mobil 1 M1-605A, K&N HP-8024 |
The 2009 GMC Sierra 3500 diesel holds 10.0 quarts of CJ-4 synthetic oil. This engine generation introduced diesel particulate filter technology.
2008 GMC Sierra 3500 Engine Oil Capacity
6.0L Gas V8 (L96)
| Specification | Detail |
|---|---|
| Engine | 6.0L V8 Gas (L96) |
| Oil Capacity (with Filter) | 6.0 qt (5.7 L) |
| Oil Capacity (without Filter) | 5.5 qt (5.2 L) |
| Recommended Oil Type | Synthetic Blend or Full Synthetic |
| Viscosity | SAE 5W-30 |
| Oil Change Interval | Every 5,000-7,500 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF48, Mobil 1 M1-104A, K&N HP-1002 |
The 2008 GMC Sierra 3500 with 6.0L engine uses 6.0 quarts of oil. This model year featured the updated GMT900 platform specifications.
6.6L Duramax Diesel V8 (LMM)
| Specification | Detail |
|---|---|
| Engine | 6.6L V8 Duramax Diesel (LMM) |
| Oil Capacity (with Filter) | 10.0 qt (9.5 L) |
| Oil Capacity (without Filter) | 9.5 qt (9.0 L) |
| Recommended Oil Type | Full Synthetic Diesel |
| Viscosity | SAE 15W-40 (CJ-4), SAE 5W-40 (cold climates) |
| Oil Change Interval | Every 10,000 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF457G (GM 12605566), Mobil 1 M1-605A, K&N HP-8024 |
The 2008 GMC Sierra 3500 diesel requires 10.0 quarts of CJ-4 rated oil. The LMM was the first Duramax to meet stricter emissions standards.
2007 GMC Sierra 3500 Engine Oil Capacity
6.0L Gas V8 (LQ4/LY6)
| Specification | Detail |
|---|---|
| Engine | 6.0L V8 Gas (LQ4/LY6) |
| Oil Capacity (with Filter) | 6.0 qt (5.7 L) |
| Oil Capacity (without Filter) | 5.5 qt (5.2 L) |
| Recommended Oil Type | Synthetic Blend or Conventional |
| Viscosity | SAE 5W-30 |
| Oil Change Interval | Every 5,000 miles or 6 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF48, Mobil 1 M1-104A, K&N HP-1002 |
The 2007 GMC Sierra 3500 gasoline model holds 6.0 quarts of 5W-30 oil. This was a transitional year with both GMT800 and GMT900 platforms.
6.6L Duramax Diesel V8 (LBZ/LMM)
| Specification | Detail |
|---|---|
| Engine | 6.6L V8 Duramax Diesel (LBZ/LMM) |
| Oil Capacity (with Filter) | 10.0 qt (9.5 L) |
| Oil Capacity (without Filter) | 9.5 qt (9.0 L) |
| Recommended Oil Type | Full Synthetic Diesel |
| Viscosity | SAE 15W-40 (CI-4/CJ-4), SAE 5W-40 (cold climates) |
| Oil Change Interval | Every 10,000 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF457G (GM 12605566), Mobil 1 M1-605A, K&N HP-8024 |
The 2007 GMC Sierra 3500 diesel uses 10.0 quarts of diesel oil. Mid-year 2007 models transitioned from LBZ to LMM specifications.
2006 GMC Sierra 3500 Engine Oil Capacity
6.0L Gas V8 (LQ4)
| Specification | Detail |
|---|---|
| Engine | 6.0L V8 Gas (LQ4) |
| Oil Capacity (with Filter) | 6.0 qt (5.7 L) |
| Oil Capacity (without Filter) | 5.5 qt (5.2 L) |
| Recommended Oil Type | Synthetic Blend or Conventional |
| Viscosity | SAE 5W-30 |
| Oil Change Interval | Every 5,000 miles or 6 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF48, Mobil 1 M1-104A, K&N HP-1002 |
The 2006 GMC Sierra 3500 with 6.0L engine requires 6.0 quarts of oil. This engine provides reliable performance with regular maintenance intervals.
8.1L Gas V8 (L18)
| Specification | Detail |
|---|---|
| Engine | 8.1L V8 Gas Vortec (L18) |
| Oil Capacity (with Filter) | 6.5 qt (6.2 L) |
| Oil Capacity (without Filter) | 6.0 qt (5.7 L) |
| Recommended Oil Type | Synthetic Blend or Conventional |
| Viscosity | SAE 5W-30 |
| Oil Change Interval | Every 5,000 miles or 6 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF52, Mobil 1 M1-108A, K&N HP-1008 |
The 2006 GMC Sierra 3500 with 8.1L Vortec holds 6.5 quarts of oil. This was the final year for the 8.1L big-block engine option.
6.6L Duramax Diesel V8 (LBZ)
| Specification | Detail |
|---|---|
| Engine | 6.6L V8 Duramax Diesel (LBZ) |
| Oil Capacity (with Filter) | 10.0 qt (9.5 L) |
| Oil Capacity (without Filter) | 9.5 qt (9.0 L) |
| Recommended Oil Type | Full Synthetic Diesel |
| Viscosity | SAE 15W-40 (CI-4), SAE 5W-40 (cold climates) |
| Oil Change Interval | Every 10,000 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF457G (GM 12605566), Mobil 1 M1-605A, K&N HP-8024 |
The 2006 GMC Sierra 3500 diesel requires 10.0 quarts of CI-4 rated oil. The LBZ is considered one of the most reliable Duramax generations.
2005 GMC Sierra 3500 Engine Oil Capacity
6.0L Gas V8 (LQ4)
| Specification | Detail |
|---|---|
| Engine | 6.0L V8 Gas (LQ4) |
| Oil Capacity (with Filter) | 6.0 qt (5.7 L) |
| Oil Capacity (without Filter) | 5.5 qt (5.2 L) |
| Recommended Oil Type | Synthetic Blend or Conventional |
| Viscosity | SAE 5W-30 |
| Oil Change Interval | Every 5,000 miles or 6 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF48, Mobil 1 M1-104A, K&N HP-1002 |
The 2005 GMC Sierra 3500 gasoline model holds 6.0 quarts of 5W-30 oil. Regular maintenance preserves engine performance and reliability.
8.1L Gas V8 (L18)
| Specification | Detail |
|---|---|
| Engine | 8.1L V8 Gas Vortec (L18) |
| Oil Capacity (with Filter) | 6.5 qt (6.2 L) |
| Oil Capacity (without Filter) | 6.0 qt (5.7 L) |
| Recommended Oil Type | Synthetic Blend or Conventional |
| Viscosity | SAE 5W-30 |
| Oil Change Interval | Every 5,000 miles or 6 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF52, Mobil 1 M1-108A, K&N HP-1008 |
The 2005 GMC Sierra 3500 with 8.1L Vortec uses 6.5 quarts of oil. This engine delivers 320 horsepower with proper oil specifications.
6.6L Duramax Diesel V8 (LLY)
| Specification | Detail |
|---|---|
| Engine | 6.6L V8 Duramax Diesel (LLY) |
| Oil Capacity (with Filter) | 10.0 qt (9.5 L) |
| Oil Capacity (without Filter) | 9.5 qt (9.0 L) |
| Recommended Oil Type | Full Synthetic Diesel |
| Viscosity | SAE 15W-40 (CI-4), SAE 5W-40 (cold climates) |
| Oil Change Interval | Every 10,000 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF457G (GM 12605566), Mobil 1 M1-605A, K&N HP-8024 |
The 2005 GMC Sierra 3500 diesel requires 10.0 quarts of CI-4 synthetic oil. The LLY Duramax benefits from quality oil for optimal performance.
2004 GMC Sierra 3500 Engine Oil Capacity
6.0L Gas V8 (LQ4)
| Specification | Detail |
|---|---|
| Engine | 6.0L V8 Gas (LQ4) |
| Oil Capacity (with Filter) | 6.0 qt (5.7 L) |
| Oil Capacity (without Filter) | 5.5 qt (5.2 L) |
| Recommended Oil Type | Synthetic Blend or Conventional |
| Viscosity | SAE 5W-30 |
| Oil Change Interval | Every 5,000 miles or 6 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF48, Mobil 1 M1-104A, K&N HP-1002 |
The 2004 GMC Sierra 3500 with 6.0L engine holds 6.0 quarts of oil. This model year continued with proven GMT800 platform specifications.
8.1L Gas V8 (L18)
| Specification | Detail |
|---|---|
| Engine | 8.1L V8 Gas Vortec (L18) |
| Oil Capacity (with Filter) | 6.5 qt (6.2 L) |
| Oil Capacity (without Filter) | 6.0 qt (5.7 L) |
| Recommended Oil Type | Synthetic Blend or Conventional |
| Viscosity | SAE 5W-30 |
| Oil Change Interval | Every 5,000 miles or 6 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF52, Mobil 1 M1-108A, K&N HP-1008 |
The 2004 GMC Sierra 3500 with 8.1L Vortec requires 6.5 quarts of oil. The big-block engine provides maximum towing capability with proper lubrication.
6.6L Duramax Diesel V8 (LB7/LLY)
| Specification | Detail |
|---|---|
| Engine | 6.6L V8 Duramax Diesel (LB7/LLY) |
| Oil Capacity (with Filter) | 10.0 qt (9.5 L) |
| Oil Capacity (without Filter) | 9.5 qt (9.0 L) |
| Recommended Oil Type | Full Synthetic Diesel |
| Viscosity | SAE 15W-40 (CI-4), SAE 5W-40 (cold climates) |
| Oil Change Interval | Every 10,000 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF457G (GM 12605566), Mobil 1 M1-605A, K&N HP-8024 |
The 2004 GMC Sierra 3500 diesel uses 10.0 quarts of CI-4 rated oil. Mid-year 2004 models transitioned from LB7 to LLY engine codes.
2003 GMC Sierra 3500 Engine Oil Capacity
6.0L Gas V8 (LQ4)
| Specification | Detail |
|---|---|
| Engine | 6.0L V8 Gas (LQ4) |
| Oil Capacity (with Filter) | 6.0 qt (5.7 L) |
| Oil Capacity (without Filter) | 5.5 qt (5.2 L) |
| Recommended Oil Type | Synthetic Blend or Conventional |
| Viscosity | SAE 5W-30 |
| Oil Change Interval | Every 5,000 miles or 6 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF48, Mobil 1 M1-104A, K&N HP-1002 |
The 2003 GMC Sierra 3500 gasoline model requires 6.0 quarts of 5W-30 oil. Regular oil changes maintain engine cleanliness and protection.
8.1L Gas V8 (L18)
| Specification | Detail |
|---|---|
| Engine | 8.1L V8 Gas Vortec (L18) |
| Oil Capacity (with Filter) | 6.5 qt (6.2 L) |
| Oil Capacity (without Filter) | 6.0 qt (5.7 L) |
| Recommended Oil Type | Synthetic Blend or Conventional |
| Viscosity | SAE 5W-30 |
| Oil Change Interval | Every 5,000 miles or 6 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF52, Mobil 1 M1-108A, K&N HP-1008 |
The 2003 GMC Sierra 3500 with 8.1L Vortec holds 6.5 quarts of oil. This engine produced 340 horsepower through 2003 model year.
6.6L Duramax Diesel V8 (LB7)
| Specification | Detail |
|---|---|
| Engine | 6.6L V8 Duramax Diesel (LB7) |
| Oil Capacity (with Filter) | 10.0 qt (9.5 L) |
| Oil Capacity (without Filter) | 9.5 qt (9.0 L) |
| Recommended Oil Type | Full Synthetic Diesel |
| Viscosity | SAE 15W-40 (CI-4), SAE 5W-40 (cold climates) |
| Oil Change Interval | Every 10,000 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF457G (GM 12605566), Mobil 1 M1-605A, K&N HP-8024 |
The 2003 GMC Sierra 3500 diesel requires 10.0 quarts of CI-4 synthetic oil. The LB7 Duramax provides excellent durability with quality oil.
2002 GMC Sierra 3500 Engine Oil Capacity
6.0L Gas V8 (LQ4)
| Specification | Detail |
|---|---|
| Engine | 6.0L V8 Gas (LQ4) |
| Oil Capacity (with Filter) | 6.0 qt (5.7 L) |
| Oil Capacity (without Filter) | 5.5 qt (5.2 L) |
| Recommended Oil Type | Synthetic Blend or Conventional |
| Viscosity | SAE 5W-30 |
| Oil Change Interval | Every 5,000 miles or 6 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF48, Mobil 1 M1-104A, K&N HP-1002 |
The 2002 GMC Sierra 3500 with 6.0L engine uses 6.0 quarts of oil. This model year featured the GMT800 platform with updated styling.
8.1L Gas V8 (L18)
| Specification | Detail |
|---|---|
| Engine | 8.1L V8 Gas Vortec (L18) |
| Oil Capacity (with Filter) | 6.5 qt (6.2 L) |
| Oil Capacity (without Filter) | 6.0 qt (5.7 L) |
| Recommended Oil Type | Synthetic Blend or Conventional |
| Viscosity | SAE 5W-30 |
| Oil Change Interval | Every 5,000 miles or 6 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF52, Mobil 1 M1-108A, K&N HP-1008 |
The 2002 GMC Sierra 3500 with 8.1L Vortec holds 6.5 quarts of oil. The big-block V8 delivers 340 horsepower and 455 lb-ft of torque.
6.6L Duramax Diesel V8 (LB7)
| Specification | Detail |
|---|---|
| Engine | 6.6L V8 Duramax Diesel (LB7) |
| Oil Capacity (with Filter) | 10.0 qt (9.5 L) |
| Oil Capacity (without Filter) | 9.5 qt (9.0 L) |
| Recommended Oil Type | Full Synthetic Diesel |
| Viscosity | SAE 15W-40 (CI-4), SAE 5W-40 (cold climates) |
| Oil Change Interval | Every 10,000 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF457G (GM 12605566), Mobil 1 M1-605A, K&N HP-8024 |
The 2002 GMC Sierra 3500 diesel uses 10.0 quarts of CI-4 certified oil. The LB7 was the second year of Duramax diesel production.
2001 GMC Sierra 3500 Engine Oil Capacity
6.0L Gas V8 (LQ4)
| Specification | Detail |
|---|---|
| Engine | 6.0L V8 Gas (LQ4) |
| Oil Capacity (with Filter) | 6.0 qt (5.7 L) |
| Oil Capacity (without Filter) | 5.5 qt (5.2 L) |
| Recommended Oil Type | Synthetic Blend or Conventional |
| Viscosity | SAE 5W-30 |
| Oil Change Interval | Every 5,000 miles or 6 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF48, Mobil 1 M1-104A, K&N HP-1002 |
The 2001 GMC Sierra 3500 gasoline model requires 6.0 quarts of 5W-30 oil. This was the first year for the redesigned GMT800 platform.
8.1L Gas V8 (L18)
| Specification | Detail |
|---|---|
| Engine | 8.1L V8 Gas Vortec (L18) |
| Oil Capacity (with Filter) | 6.5 qt (6.2 L) |
| Oil Capacity (without Filter) | 6.0 qt (5.7 L) |
| Recommended Oil Type | Synthetic Blend or Conventional |
| Viscosity | SAE 5W-30 |
| Oil Change Interval | Every 5,000 miles or 6 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF52, Mobil 1 M1-108A, K&N HP-1008 |
The 2001 GMC Sierra 3500 with 8.1L Vortec holds 6.5 quarts of oil. This was the introduction year for the 8.1L big-block engine option.
6.6L Duramax Diesel V8 (LB7)
| Specification | Detail |
|---|---|
| Engine | 6.6L V8 Duramax Diesel (LB7) |
| Oil Capacity (with Filter) | 10.0 qt (9.5 L) |
| Oil Capacity (without Filter) | 9.5 qt (9.0 L) |
| Recommended Oil Type | Full Synthetic Diesel |
| Viscosity | SAE 15W-40 (CI-4/CH-4), SAE 5W-40 (cold climates) |
| Oil Change Interval | Every 10,000 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | ACDelco PF457G (GM 12605566), Mobil 1 M1-605A, K&N HP-8024 |
The 2001 GMC Sierra 3500 introduced the Duramax diesel requiring 10.0 quarts of oil. This was the first year for the revolutionary Duramax diesel engine platform.
Oil Maintenance and Service Tips
Checking Engine Oil Level
Check the engine oil level regularly between oil changes to ensure proper lubrication. The oil level should be checked with the vehicle on level ground and the engine off for at least five minutes to allow oil to settle in the pan. Remove the dipstick, wipe it clean, reinsert fully, and check that the level falls between the minimum and maximum marks.
Oil Change Best Practices
Always replace the oil filter during each oil change to maintain proper filtration. Use only oil meeting the manufacturer specified viscosity grade and certification standards such as dexos1 for gasoline engines or API CK-4 for diesel engines. Torque the drain plug to specification (typically 18 lb-ft) to prevent leaks or damage.
Normal vs. Severe Driving Conditions
| Driving Condition | Oil Change Interval |
|---|---|
| Normal Driving | Every 7,500-10,000 miles or 12 months (gasoline), Every 10,000 miles (diesel) |
| Severe Driving (towing, dusty conditions, extreme temperatures) | Every 5,000-7,500 miles or 6 months |
Severe driving conditions include frequent towing, extensive idling, off-road use, or operation in dusty environments. These conditions accelerate oil degradation and require more frequent oil change intervals. The GM Oil Life System monitors driving conditions and calculates optimal oil change timing based on actual usage patterns.
Synthetic Oil Benefits
Full synthetic oil provides superior protection compared to conventional oil, especially under extreme temperatures and heavy loads. Modern GMC Sierra 3500 engines require dexos1 or dexosD certified synthetic oils for warranty compliance. Synthetic oil formulations resist thermal breakdown and maintain proper viscosity across wider temperature ranges.
When exploring GMC, don’t miss our detailed guides on popular models like the GMC Savana 2500, GMC Savana 3500, GMC Canyon, and GMC Terrain. Understanding engine oil capacity is crucial for proper maintenance, and our expert resources explain the exact oil requirements for these models. You’ll also find insights on recommended oil types, service intervals, and common issues linked to incorrect oil levels, ensuring your GMC always delivers reliable performance.
Frequently Asked Questions
What kind of oil does a GMC Sierra 3500 use?
The GMC Sierra 3500 requires full synthetic oil meeting dexos1 specifications for gasoline engines (typically SAE 5W-30) and full synthetic diesel oil meeting API CK-4 or CJ-4 specifications for Duramax diesel engines (typically SAE 15W-40). Older model years may use conventional or synthetic blend oils depending on engine type.
How much oil does a GMC Sierra 3500 take?
The GMC Sierra 3500 oil capacity varies by engine type. The 6.6L gasoline V8 holds 8.0 quarts, the 6.0L gasoline V8 holds 6.0 quarts, the 8.1L Vortec holds 6.5 quarts, and all 6.6L Duramax diesel engines hold 10.0 quarts with oil filter replacement.
What is the recommended oil type for a GMC Sierra 3500?
The recommended oil type depends on the engine configuration. Gasoline engines require dexos1 certified full synthetic oil, while Duramax diesel engines require full synthetic diesel oil meeting API CK-4 (2007.5 and newer) or CI-4 (2001-2007) specifications. Always consult the owner’s manual for specific requirements based on model year and engine.
What is the oil change interval for a GMC Sierra 3500?
The GMC Sierra 3500 oil change interval is typically every 7,500 to 10,000 miles or 12 months for gasoline engines under normal driving conditions. Diesel engines generally follow a 10,000-mile interval. Severe driving conditions such as towing, frequent short trips, or dusty environments require more frequent oil changes every 5,000 to 7,500 miles.
Can I use 5W-40 oil instead of 15W-40 in my Duramax?
Yes, SAE 5W-40 synthetic diesel oil is recommended for cold climate operation in Duramax engines. The 5W-40 viscosity provides better cold-start protection while maintaining proper protection at operating temperature. Both viscosities must meet the appropriate API service classification (CK-4 or CJ-4) for modern Duramax engines.
What oil filter does a GMC Sierra 3500 use?
The GMC Sierra 3500 uses different oil filters depending on engine type. Duramax diesel engines use ACDelco PF457G (GM part number 12605566), while the 6.6L gasoline V8 uses ACDelco PF63, and the 6.0L gasoline V8 uses ACDelco PF48. Always verify the correct filter for your specific engine configuration.
Conclusion
The GMC Sierra 3500 requires specific oil capacities, viscosities, and types depending on engine configuration and model year. Gasoline engines typically use 6.0 to 8.0 quarts of SAE 5W-30 dexos1 certified oil, while Duramax diesel engines consistently require 10.0 quarts of SAE 15W-40 synthetic diesel oil meeting API specifications. Using manufacturer-approved oil specifications ensures optimal engine protection, performance, and longevity.
Following recommended oil change intervals based on driving conditions maintains engine cleanliness and prevents premature wear. The GM Oil Life System provides accurate service reminders for most modern Sierra 3500 models. Always consult your owner’s manual for the most accurate specifications for your specific model year and engine configuration.
