Engine Oil and Fluid Recommendation for Audi A6 (4GC/4GD) – A6 S6 4.0 TFSI Properly selected engine oil for a car is the key to a long and trouble-free operation of the engine.
  • Engine: CTGE
  • Engine oil capacity, liter: 8.5
  • Automatic transmission capacity, liter: 7.5
  • Year: 2014-18

Engine oil

  • Engine oil: 5W-40
  • Synthetic oil: M 5W-30

Cooling system

  • Antifreeze for the engine: Antifreeze G12+ violet