Recommendedoil for engines of Audi A4. Find out how much engine oil does your car need. A4 B7 (2005-2009) Engine: Capacity: Change interval: Oil type: A4 2.0 T (147 kW) 4,5 L: 5000 miles/ 12 months: 5W-40: A4 2.0 T quattro (147 kW) 4,5 L: A4 1.8 Turbo (110 kW) 3,5 L: 30000 km/ 24 months: 5W-30: A4 1.8 Turbo (120 kW) 4,1 L: