For 2010 A6 Avant C6 facelift Audi recommends to use: SAE 75W-90 transmission oils. To select the right transmission oil see the table below. How much transmission oil you need to put into 2010 A6 Avant depends on. Model Engine Capacity/Filter Capacity Litres(liters) Oil Change Intervals Q7 3.0 TFSI quattro (200 kW) (2010 - 2015) CJTC, CJWC n/a 15 000 km/ 12 months Q7 3.0 TFSI quattro (206 kW) (2011 - 2015) CJWE, CTWB n/a 15 000 km/ 12 months Q7 3.0 TFSI quattro (245 kW) (2010 - 2015) CJWB, CJTB, CNAA, CTWA … For 2011 A6 C6 facelift Audi recommends to use: VW 505 00, VW 505 01, VW 507 00, VW 501 01, and VW 502 00 engine oils. To select the right engine oil see the table below. How much engine oil you need to put into 2011 A6 depends on the engine installed, and some other conditions listed below. The Audi A6 (C6) 3.2 FSI V6 has a V 6, Petrol engine with 3197 cm3 / 195.1 cu-in capacity. How many horsepower (hp) does a 2004 Audi A6 (C6) 3.2 FSI V6 have? The 2004 Audi A6 (C6) 3.2 FSI V6 has 255 PS / 252 bhp / 188 kW. Audi engine oil capacities. Audi A1. Audi A2. Audi A3. Audi 80. Audi 90. Audi 100. Audi 200. Audi A4 1994-2001. Engine Oil Capacity (with filter): 5.8 quarts (5.5 liters) Engine Oil Capacity (without filter): 5.2 quarts (4.9 liters) Engine Oil Specification Viscosity: SAE 10W-40, ACEA A2/B2. Audi A6 Second Generation (C5): 1998-2004 . Engine Model: 2.4L V6 Engine Oil Capacity (with filter): 6.6 quarts (6.3 liters) Engine Oil Capacity (without filter): 6 pVKkGpi.