Engine Oil and Fluid Recommendation for Audi A4, S4, RS4 (8E2, B6; 8EC, B7; 8HE/8H7) – A4 2.5 TDI Motor oils are an important component of a car engine. With the right choice of chemical, mechanical, thermal qualities, engine oils are able to provide stable, reliable and long-term engine operation throughout the life of the car.
  • Engine oil capacity, liter: 5.3
  • Manual transmission capacity, liter: 2.2-3.2
  • Automatic transmission capacity, liter: 7.7
  • Differential capacity, liter: 1.3
  • Power steering capacity, liter: 0.8
  • Cooling system capacity, liter: 10.0
  • Year: 2001-08

Engine oil

  • Synthetic oil: Longlife III 5W-30 (Longlife 3 5W-30)

Manual transmission

  • Synthetic gear oil: 75W90 GL5

Automatic transmission

  • Transmission oil: ATF CVT

Power steering

  • Hydraulic fluid: CHF/Central Hydraulic Fluid

Cooling system

  • Antifreeze for the engine: Antifreeze G12+ violet