Audi A6 Quattro oil specs by year

Audi A6 Quattro oil specs changed across the 2007–2025 range. The most recent checked year uses 8 qt of 0W-20. Select the exact year to see the checked capacity, viscosity, and filter for that model year.

Multiple engine options: The Audi A6 Quattro was offered with 6 engine options across its history. Open the exact year page and select your engine to see the correct capacity and viscosity for your vehicle.
Year Capacity Oil type Filter Page
2025 8 qt 0W-20 AMSOIL 51458342; Purolator PL21507 Verified fit Open record →
2023 8 qt 0W-20 Purolator PL21507 Reference Open record →
2020 5.5 qt 0W-20 WIX 51032; WIX 51036; WIX 51040 Verified fit Open record →
2019 8 qt 0W-20 Purolator PL21507 Reference Open record →
2015 4.9 qt 5W-40 AMSOIL EA15K01; AMSOIL EA15K02; AMSOIL EA15K03 Verified fit Open record →
2014 4.9 qt 5W-40 AMSOIL 51876; AMSOIL 51877; AMSOIL 51878 Verified fit Open record →
2013 4.9 qt 5W-40 AMSOIL EA15K01; AMSOIL EA15K02; AMSOIL EA15K03 Verified fit Open record →
2012 7.2 qt 5W-40 WIX 51032; WIX 51036; WIX 51040 Verified fit Open record →
2011 6.9 qt 5W-40 WIX 51032; WIX 51036; WIX 51040 Verified fit Open record →
2010 6.9 qt 5W-40 WIX 51032; WIX 51036; WIX 51040 Reference Open record →
2009 6.9 qt 5W-40 WIX 51032; WIX 51036; WIX 51040 Reference Open record →
2008 6.9 qt 5W-40 WIX 51032; WIX 51036; WIX 51040 Reference Open record →
2007 6.9 qt 5W-40 WIX 51032; WIX 51036; WIX 51040 Reference Open record →

Audi A6 Quattro oil spec changes by year

Checked records show 5 spec changes across the 2007–2025 range. 2012: capacity changed from 6.9 qt to 7.2 qt (vs 2011). 2013: capacity changed from 7.2 qt to 4.9 qt (vs 2012). 2019: capacity and viscosity changed from 4.9 qt / 5W-40 to 8 qt / 0W-20 (vs 2015). 2020: capacity changed from 8 qt to 5.5 qt (vs 2019). 2023: capacity changed from 5.5 qt to 8 qt (vs 2020). Open the exact year page for the full source notes before buying.

  • 2009: engine option “3.0L 6-Cyl” added.
  • 2009: engine option “3.2L 6-Cyl” removed.
  • 2012: engine option “4.2L 8-Cyl” removed.
  • 2013: engine option “2.0L 4-Cyl Turbo” added.
  • 2014: engine option “3.0L 6-Cyl Turbo Diesel” added.
  • 2014: engine option “3.0L 6-Cyl” removed.
  • 2019: engine option “3.0L V6 Turbo Hybrid” added.
  • 2019: engine option “3.0L 6-Cyl Turbo Diesel” removed.

Audi A6 Quattro oil — frequently asked questions

What oil does the Audi A6 Quattro take?
The Audi A6 Quattro oil spec has changed across model years. The most recent checked year uses 8 qt of 0W-20. Use the year table above to find the spec for your specific model year.
Does the Audi A6 Quattro oil capacity change across years?
Yes. Checked records show 5 capacity changes across the 2007–2025 range. Use the year table above to find the exact capacity for your model year and confirm in your owner's manual.
Does the Audi A6 Quattro have different oil specs for different engines?
Yes. The Audi A6 Quattro has been offered with multiple engine options (2.0L 4-Cyl Turbo, 3.0L 6-Cyl, 3.0L 6-Cyl Turbo Diesel, and others). Each engine can have a different oil capacity and viscosity. Open the exact year page, select your engine, and confirm specs before buying.
What oil filter fits the Audi A6 Quattro?
The most recent checked year lists AMSOIL 51458342; Purolator PL21507 as a compatible oil filter for the Audi A6 Quattro. Filter part numbers can change across model years — open the exact year page for the source-checked part number for your year.

Look up a specific Audi A6 Quattro year

Select a model year to open the exact checked oil fitment record before ordering.