Audi S6 Engine Oil Capacity: All Years & Engines

The Audi S6 has been produced from 1995 to present across five generations (C4, C5, C6, C7, and C8) with multiple engine options. 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.

2025 Audi S6 Engine Oil Capacity

The 2025 Audi S6 uses a 2.9L Twin-Turbo V6 mild hybrid engine that requires 8.0 quarts (7.6 liters) of full synthetic oil. Using 0W-30 or 5W-40 viscosity oil that meets VW 504 00 specification provides optimal protection and efficiency.

2024 Audi S6 Engine Oil Capacity

The 2024 Audi S6 is available with both petrol and diesel mild hybrid powertrains. The 2.9L TFSI petrol engine requires 8.0 quarts while the 3.0L TDI diesel requires 6.5 quarts of full synthetic oil.

2023 Audi S6 Engine Oil Capacity

The 2023 Audi S6 continues with the 2.9L Twin-Turbo V6 engine requiring 8.0 quarts of synthetic oil. This engine configuration produces 444 horsepower and requires oil meeting VW 504 00 specification.

2022 Audi S6 Engine Oil Capacity

The 2022 Audi S6 uses the same 2.9L V6 engine with 8.0 quarts oil capacity. Full synthetic oil with 0W-30 or 5W-40 viscosity ensures proper lubrication under all driving conditions.

2021 Audi S6 Engine Oil Capacity

The 2021 Audi S6 offers both petrol and diesel engine options. The diesel variant requires 6.5 quarts of VW 507 00 approved synthetic oil.

2020 Audi S6 Engine Oil Capacity

The 2020 Audi S6 maintains the same oil specifications as the 2021 model. Both engine options require full synthetic oil meeting specific VW quality standards.

2019 Audi S6 Engine Oil Capacity

The 2019 Audi S6 marks the beginning of the C8 generation with the new 2.9L V6 engine. This engine requires 8.0 quarts of 0W-30 synthetic oil meeting VW 504 00 specification.

2018 Audi S6 Engine Oil Capacity

The 2018 Audi S6 uses a 4.0L Twin-Turbo V8 requiring 9.2 quarts of synthetic oil. This high-performance engine benefits from 5W-30 or 5W-40 viscosity oil.

2017 Audi S6 Engine Oil Capacity

The 2017 Audi S6 maintains the same 4.0L V8 specifications as the 2018 model. Full synthetic oil with VW 502 00 or VW 504 00 approval is required.

2016 Audi S6 Engine Oil Capacity

The 2016 Audi S6 uses the 4.0L Twin-Turbo V8 with 9.2 quarts oil capacity. Synthetic 5W-30 or 5W-40 oil provides optimal protection for the turbocharged engine.

2015 Audi S6 Engine Oil Capacity

The 2015 Audi S6 continues with the 4.0L Twin-Turbo V8 requiring 9.2 quarts of synthetic oil. This engine produces 420 horsepower and requires VW 502 00 approved oil.

2014 Audi S6 Engine Oil Capacity

The 2014 Audi S6 uses the 4.0L Twin-Turbo V8 with 9.2 quarts oil capacity. Full synthetic oil meeting VW 502 00 specification is essential for engine longevity.

2013 Audi S6 Engine Oil Capacity

The 2013 Audi S6 maintains the 4.0L V8 engine specifications. Using 5W-30 or 5W-40 synthetic oil ensures proper lubrication for the twin-turbo system.

2012 Audi S6 Engine Oil Capacity

The 2012 Audi S6 marks the start of the C7 generation with the 4.0L Twin-Turbo V8. This engine requires 9.2 quarts of full synthetic oil.

2011 Audi S6 Engine Oil Capacity

The 2011 Audi S6 uses a 5.2L V10 engine requiring 11.0 quarts of synthetic oil. This naturally aspirated V10 produces 435 horsepower and requires VW 502 00 approved oil.

2010 Audi S6 Engine Oil Capacity

The 2010 Audi S6 continues with the 5.2L V10 requiring 11.0 quarts of synthetic oil. The large oil capacity supports the high-revving V10 engine.

2009 Audi S6 Engine Oil Capacity

The 2009 Audi S6 received a facelift while maintaining the 5.2L V10 engine. This engine requires 11.0 quarts of 5W-40 or 0W-40 synthetic oil.

2008 Audi S6 Engine Oil Capacity

The 2008 Audi S6 uses the 5.2L V10 FSI engine with 11.0 quarts oil capacity. Full synthetic oil with VW 502 00 approval is mandatory for this engine.

2007 Audi S6 Engine Oil Capacity

The 2007 Audi S6 marks the beginning of the C6 generation with the 5.2L V10. This engine requires 11.0 quarts of full synthetic oil.

2006 Audi S6 Engine Oil Capacity

The 2006 Audi S6 production started in June with the 5.2L V10 engine. This engine requires 11.0 quarts of 5W-40 synthetic oil.

2005 Audi S6 Engine Oil Capacity

The 2005 Audi S6 uses a 4.2L V8 engine requiring 7.9 quarts of synthetic oil. This engine produces 340 horsepower and requires VW 502 00 approved oil.

2004 Audi S6 Engine Oil Capacity

The 2004 Audi S6 continues with the 4.2L V8 requiring 7.9 quarts of oil. Synthetic 5W-40 or 10W-40 oil meeting VW 502 00 specification is required.

2003 Audi S6 Engine Oil Capacity

The 2003 Audi S6 uses the 4.2L V8 with 7.9 quarts oil capacity. Full synthetic oil with 5W-40 or 10W-40 viscosity is recommended.

2002 Audi S6 Engine Oil Capacity

The 2002 Audi S6 Avant uses a 4.2L V8 requiring 7.9 quarts of synthetic oil. This engine requires oil meeting VW 502 00 specification.

2001 Audi S6 Engine Oil Capacity

The 2001 Audi S6 continues with the 4.2L V8 requiring 7.9 quarts of oil. Synthetic oil meeting VW 502 00 specification provides optimal protection.

2000 Audi S6 Engine Oil Capacity

The 2000 Audi S6 uses the 4.2L V8 with 7.9 quarts oil capacity. This engine requires 5W-40 or 10W-40 synthetic oil.

1999 Audi S6 Engine Oil Capacity

The 1999 Audi S6 marks the beginning of the C5 generation with the 4.2L V8. This engine requires 7.9 quarts of full synthetic oil.

1997 Audi S6 Engine Oil Capacity

The 1997 Audi S6 was available with both 2.2L Turbo I5 and 4.2L V8 engines. The five-cylinder requires 5.0 quarts while the V8 requires 7.9 quarts.

1996 Audi S6 Engine Oil Capacity

The 1996 Audi S6 offers the same engine options as 1997. Synthetic or synthetic blend oil with VW 501 01 or VW 502 00 approval is required.

1995 Audi S6 Engine Oil Capacity

The 1995 Audi S6 is the first year of the C4 generation S6. The turbocharged five-cylinder requires 5.0 quarts while the V8 requires 7.9 quarts of oil.

Oil Maintenance and Service Tips

Regular oil changes are critical for maintaining your Audi S6 engine performance and longevity. Check your oil level every 1,000 miles using the dipstick when the engine is cold and the vehicle is on level ground. Full synthetic oil provides superior protection in high-performance turbocharged and supercharged engines.

Oil filter replacement should occur with every oil change to ensure clean oil circulation. Always use oil meeting the specified VW quality standards (VW 501 01, VW 502 00, VW 504 00, VW 507 00, or VW 508 00) for your specific model year. Torque the oil drain plug to manufacturer specifications (typically 15-22 lb-ft depending on model year) to prevent leaks.

For severe driving conditions including frequent short trips, extreme temperatures, towing, or track use, reduce the oil change interval to every 5,000-7,500 miles. Modern Audi S6 models feature oil condition monitoring systems that calculate optimal change intervals based on driving conditions. Always dispose of used engine oil properly at recycling centers or service facilities.

Frequently Asked Questions

What kind of oil does an Audi S6 use?

Audi S6 models require full synthetic engine oil meeting specific VW quality standards. Most models from 2012-present use 0W-30, 5W-30, or 5W-40 viscosity grades. Older models (1995-2011) typically use 5W-40 or 10W-40 synthetic oil. Always verify the specific VW oil specification (such as VW 502 00, VW 504 00, or VW 507 00) for your model year.

How much oil does an Audi S6 take?

Oil capacity varies significantly by model year and engine. The 2.9L V6 (2019-2025) requires 8.0 quarts (7.6 liters). The 4.0L V8 (2012-2018) needs 9.2 quarts (8.6 liters). The 5.2L V10 (2006-2011) requires 11.0 quarts (10.5 liters). Earlier models with 4.2L V8 (1999-2005) need 7.9 quarts (7.5 liters).

What is the recommended oil change interval for an Audi S6?

Current Audi S6 models recommend oil changes every 10,000 miles or 12 months under normal driving conditions. Older models (1995-2011) typically require changes every 7,500 miles or 12 months. For severe driving conditions including track use, towing, or extreme temperatures, reduce the interval to 5,000-7,500 miles. Many modern S6 models feature oil condition monitoring systems that calculate optimal intervals.

What oil viscosity is best for an Audi S6?

Oil viscosity depends on your model year and climate. Models from 2019-2025 use 0W-30 or 5W-40. The 2012-2018 models require 5W-30 or 5W-40. Earlier models (2006-2011) use 5W-40 or 0W-40. The oldest models (1995-2005) typically require 10W-40 or 5W-40. In cold climates, 0W-30 or 0W-40 provides better cold-start protection.

Can I use conventional oil in my Audi S6?

No, all Audi S6 models require full synthetic engine oil. The high-performance turbocharged and supercharged engines operate at elevated temperatures and pressures that exceed conventional oil capabilities. Using conventional oil will void your warranty and can cause serious engine damage. Always use synthetic oil meeting the specified VW quality standard.

What is the oil drain plug torque for an Audi S6?

Oil drain plug torque specifications vary by generation. Models from 2012-2025 require 15 lb-ft (20 N·m) for the main drain plug. Earlier models (1995-2011) typically require 22 lb-ft (30 N·m). The oil filter housing drain plug on 2012-2025 models requires only 3 lb-ft (4 N·m). Always use a new copper crush washer when reinstalling the drain plug.

Conclusion

Maintaining proper engine oil capacity, viscosity, and type is essential for Audi S6 performance and reliability across all generations. Oil requirements vary significantly from 5.0 quarts for early turbocharged five-cylinder models to 11.0 quarts for V10 engines. Always use manufacturer-approved full synthetic oil meeting the specific VW quality standard for your model year. Following recommended oil change intervals and using proper specifications ensures optimal engine protection and longevity.