The Infiniti QX55 is a compact luxury crossover coupe produced from 2022 to 2025. All model years equip the variable-compression turbocharged 2.0L engine. Using the correct oil capacity, viscosity, and type is essential for maintaining performance and longevity. This guide lists all model years with full oil specifications and maintenance recommendations.
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2025 Infiniti QX55 Engine Oil Capacity
| Specification | Detail |
|---|---|
| Engine | 2.0L VC-Turbo I4 (KR20DDET) |
| Oil Capacity (with Filter) | 5.0 qt (4.7 L) |
| Oil Capacity (without Filter) | 4.5 qt (4.3 L) |
| Recommended Oil Type | Full Synthetic |
| Viscosity | SAE 0W-20 |
| Oil Change Interval | Every 7,500 miles or 12 months |
| Oil Drain Plug Torque | Consult owner’s manual for specification |
| Recommended Filters | Genuine INFINITI oil filter or equivalent |
The 2025 Infiniti QX55 uses a 2.0L turbocharged four-cylinder engine that requires 5.0 quarts of full synthetic oil. Using 0W-20 viscosity provides optimal protection and efficiency under normal driving conditions.
2024 Infiniti QX55 Engine Oil Capacity
| Specification | Detail |
|---|---|
| Engine | 2.0L VC-Turbo I4 (KR20DDET) |
| Oil Capacity (with Filter) | 5.0 qt (4.7 L) |
| Oil Capacity (without Filter) | 4.5 qt (4.3 L) |
| Recommended Oil Type | Full Synthetic |
| Viscosity | SAE 0W-20 |
| Oil Change Interval | Every 7,500 miles or 12 months |
| Oil Drain Plug Torque | Consult owner’s manual for specification |
| Recommended Filters | Genuine INFINITI oil filter or equivalent |
The 2024 Infiniti QX55 equips the same KR20DDET powerplant requiring 5.0 quarts of full synthetic 0W-20 oil. This specification ensures proper lubrication for the variable-compression turbo system.
2023 Infiniti QX55 Engine Oil Capacity
| Specification | Detail |
|---|---|
| Engine | 2.0L VC-Turbo I4 (KR20DDET) |
| Oil Capacity (with Filter) | 5.0 qt (4.7 L) |
| Oil Capacity (without Filter) | 4.5 qt (4.3 L) |
| Recommended Oil Type | Full Synthetic |
| Viscosity | SAE 0W-20 |
| Oil Change Interval | Every 7,500 miles or 12 months |
| Oil Drain Plug Torque | Consult owner’s manual for specification |
| Recommended Filters | Genuine INFINITI oil filter or equivalent |
The 2023 Infiniti QX55 features the turbocharged 2.0L engine with a 5.0-quart oil capacity. Full synthetic 0W-20 oil supports the engine’s variable compression ratio technology.
2022 Infiniti QX55 Engine Oil Capacity
| Specification | Detail |
|---|---|
| Engine | 2.0L VC-Turbo I4 (KR20DDET) |
| Oil Capacity (with Filter) | 5.0 qt (4.7 L) |
| Oil Capacity (without Filter) | 4.5 qt (4.3 L) |
| Recommended Oil Type | Full Synthetic |
| Viscosity | SAE 0W-20 |
| Oil Change Interval | Every 7,500 miles or 12 months |
| Oil Drain Plug Torque | Consult owner’s manual for specification |
| Recommended Filters | Genuine INFINITI oil filter or equivalent |
The 2022 Infiniti QX55 debuted with the KR20DDET engine requiring 5.0 quarts of synthetic oil. The 0W-20 viscosity grade maintains optimal engine protection across all operating temperatures.
Oil Maintenance & Service Tips
Check oil level monthly using the dipstick. Add oil if the level falls below the minimum mark. Use only full synthetic oil that meets Infiniti specifications. Replace the oil filter during every oil change interval. Inspect the drain plug washer for damage and replace if necessary. Reset the maintenance reminder after service.
Normal vs. Severe Driving Conditions
| Condition Type | Mileage Interval | Time Interval |
|---|---|---|
| Normal Driving | 7,500 miles | 12 months |
| Severe Driving | 5,000 miles | 6 months |
Severe conditions include frequent short trips, extreme temperatures, towing, or dusty environments.
FAQs Section
What kind of oil does an Infiniti QX55 use?
The Infiniti QX55 uses full synthetic engine oil with SAE 0W-20 viscosity grade. This specification ensures proper flow characteristics for the turbocharged variable-compression engine.
How much oil does an Infiniti QX55 take?
The Infiniti QX55 requires 5.0 quarts (4.7 liters) of oil when replacing the filter. Without filter replacement, the capacity is approximately 4.5 quarts (4.3 liters).
What is the recommended oil type for an Infiniti QX55?
Infiniti recommends full synthetic oil for all QX55 model years. Synthetic oil provides superior protection against thermal breakdown in turbocharged applications.
What is the oil change interval for an Infiniti QX55?
Under normal driving conditions, change the oil every 7,500 miles or 12 months. Severe driving conditions require more frequent changes at 5,000 miles or 6 months.
Can I use conventional oil in my Infiniti QX55?
Conventional oil is not recommended for the QX55. The turbocharged KR20DDET engine requires full synthetic oil to handle high operating temperatures and maintain proper viscosity.
What happens if I use the wrong oil viscosity?
Using incorrect viscosity may cause inadequate lubrication, increased engine wear, reduced fuel economy, and potential turbocharger damage. Always use the specified 0W-20 grade.
Conclusion
All Infiniti QX55 model years from 2022 to 2025 use the same oil specifications. The 2.0L VC-Turbo engine requires 5.0 quarts of full synthetic 0W-20 oil changed every 7,500 miles. Using manufacturer-approved oil and filters ensures engine longevity and maintains warranty coverage. Proper maintenance preserves the advanced variable-compression technology and turbocharger system for reliable performance.
