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Recommended Engine Oil for the Audi A6. How Much Do You Need?

We analyzed official data on Audi A6 engine oil for 6 generations and 215 modifications produced from 1994 to 2024 and figured out the optimal liquids.


The A6 Generations
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A6 4A (1994-2024)

Engine Capacity Change interval Oil type
A6 1.9 TDI (66 kW) 3,5 L 15000 km/ 12 months 10W-60, 10W-40, 5W-40, 15W-40, 5W-30
A6 2.0 16V Filter capacity 0,5 L, 3 L 15000 km/ 12 months 10W-60, 10W-40, 15W-40, 5W-40, 0W-40, 5W-30
A6 2.0 Filter capacity 0,5 L, 3 L 15000 km/ 12 months 10W-60, 10W-40, 15W-40, 5W-40, 0W-40, 5W-30
A6 2.3 4,5 L 15000 km/ 12 months 10W-60, 10W-40, 15W-40, 5W-40, 0W-40, 5W-30
A6 2.5 TDI (103 kW) 5 L 15000 km/ 12 months 10W-60, 10W-40, 5W-40, 15W-40, 5W-30
A6 2.5 TDI (85 kW) 5 L 15000 km/ 12 months 10W-60, 10W-40, 5W-40, 15W-40, 5W-30
A6 2.5 TDI quattro (103 kW) 5 L 15000 km/ 12 months 10W-60, 10W-40, 5W-40, 15W-40, 5W-30
A6 2.6 V6 quattro 5 L 15000 km/ 12 months 10W-60, 10W-40, 15W-40, 5W-40, 0W-40, 5W-30
A6 2.6 V6 5 L 15000 km/ 12 months 10W-60, 10W-40, 15W-40, 5W-40, 0W-40, 5W-30
A6 2.8 V6 quattro 5 L 15000 km/ 12 months 10W-60, 10W-40, 15W-40, 5W-40, 0W-40, 5W-30
A6 2.8 V6 5 L 15000 km/ 12 months 10W-60, 10W-40, 15W-40, 5W-40, 0W-40, 5W-30
A6 40 TDI (150 kW) - 30000 km/ 24 months 5W-30
A6 40 TDI quattro (150 kW) - 30000 km/ 24 months 5W-30
A6 45 TDI quattro (155 kW) - 30000 km/ 24 months 0W-20, 5W-30
A6 45 TDI quattro (170 kW) - 30000 km/ 24 months 0W-20, 5W-30
A6 45 TFSI (180 kW) - 30000 km/ 24 months 0W-20, 5W-30
A6 45 TFSI quattro (180 kW) - 30000 km/ 24 months 0W-20, 5W-40, 0W-40, 5W-30
A6 50 TDI quattro (210 kW) - 30000 km/ 24 months 0W-20, 5W-30
A6 55 TFSI quattro (250 kW) - 30000 km/ 24 months 0W-20, 5W-40, 0W-40, 5W-30
S6 2.2 20V Turbo quattro 4,5 L 15000 km/ 12 months 10W-60, 10W-40, 15W-40, 5W-40, 0W-40, 5W-30
S6 4.2 V8 32V quattro (213 kW) 7,5 L 15000 km/ 12 months 10W-60, 10W-40, 15W-40, 5W-40, 0W-40, 5W-30
S6 4.2 V8 32V quattro (240 kW) 7,5 L 15000 km/ 12 months 10W-60, 10W-40, 15W-40, 5W-40, 0W-40, 5W-30
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A6 4A2 (2018-2024)

Engine Capacity Change interval Oil type
A6 2.0 TFSI quattro (185 kW) 5,2 L 10000 miles/ 12 months 0W-20
A6 55 TFSI quattro (250 kW) 7,6 L 10000 miles/ 12 months 0W-20

A6 4G (2010-2018)

Engine Capacity Change interval Oil type
A6 1.8 TFSI (140 kW) - 30000 km/ 24 months 0W-40, 5W-40, 5W-30
A6 2.0 T (155 kW) 4G2 4,6 L 5000 miles/ 12 months 5W-40
A6 2.0 T (162 kW) 4G2 4,6 L 5000 miles/ 12 months 5W-40
A6 2.0 T (185 kW) 4GC 4,7 L 5000 miles/ 12 months 5W-40
A6 2.0 T quattro (162 kW) 4G2 4,6 L 5000 miles/ 12 months 5W-40
A6 2.0 T quattro (185 kW) 4GC 4,7 L 10000 miles/ 12 months 5W-40
A6 2.0 TDI (100 kW) 4,7 L (service fill) 30000 km/ 24 months 5W-30
A6 2.0 TDI (100 kW) 5 L (service fill) 30000 km/ 24 months 5W-30
A6 2.0 TDI (110 kW) 4,7 L (service fill) 30000 km/ 24 months 5W-30
A6 2.0 TDI (120 kW) Filter capacity 5 L (service fill) - 5W-30
A6 2.0 TDI (130 kW) 5 L (service fill) 30000 km/ 24 months 5W-30
A6 2.0 TDI (140 kW) 4,7 L 30000 km/ 24 months 5W-30
A6 2.0 TDI quattro (140 kW) 4,7 L 30000 km/ 24 months 5W-30
A6 2.0 TFSI (132 kW) 4,6 L (service fill) 30000 km/ 24 months 0W-40, 5W-40, 5W-30
A6 2.0 TFSI (155 kW) 4,6 L 30000 km/ 24 months 0W-40, 5W-40, 5W-30
A6 2.0 TFSI (162 kW) - 30000 km/ 24 months 0W-40, 5W-40, 5W-30
A6 2.0 TFSI (185 kW) - 30000 km/ 24 months 0W-40, 5W-40, 5W-30
A6 2.0 TFSI quattro (155 kW) 4,6 L 30000 km/ 24 months 0W-40, 5W-40, 5W-30
A6 2.0 TFSI quattro (162 kW) - 30000 km/ 24 months 0W-40, 5W-40, 5W-30
A6 2.0 TFSI quattro (183 kW) - 30000 km/ 24 months 0W-40, 5W-40, 5W-30
A6 2.0 TFSI quattro (185 kW) - 30000 km/ 24 months 0W-40, 5W-40, 5W-30
A6 2.8 FSI quattro - 30000 km/ 24 months 0W-40, 5W-40, 5W-30
A6 2.8 FSI - 30000 km/ 24 months 0W-40, 5W-40, 5W-30
A6 3.0 T quattro (228 kW) 4G2 6,8 L 5000 miles/ 12 months 5W-40
A6 3.0 T quattro (245 kW) 4GC 6,8 L 5000 miles/ 12 months 5W-40
A6 3.0 T quattro (250 kW) 4GC 6,8 L 5000 miles/ 12 months 5W-40
A6 3.0 TDI (150 kW) 6,4 L (service fill) 30000 km/ 24 months 5W-30
A6 3.0 TDI (155 kW) 6,1-6,4 L (service fill) 30000 km/ 24 months 5W-30
A6 3.0 TDI (160 kW) 6,1 L 30000 km/ 24 months 0W-20, 5W-30
A6 3.0 TDI (160 kW) 6,1-6,4 L (service fill) 30000 km/ 24 months 5W-30
A6 3.0 TDI quattro (150 kW) 6,4 L (service fill) 30000 km/ 24 months 5W-30
A6 3.0 TDI quattro (155 kW) 6,1-6,4 L (service fill) 30000 km/ 24 months 5W-30
A6 3.0 TDI quattro (160 kW) 6,1 L 30000 km/ 24 months 0W-20, 5W-30
A6 3.0 TDI quattro (160 kW) 6,1-6,4 L 30000 km/ 24 months 5W-30
A6 3.0 TDI quattro (176 kW) 4G2 6,4 L 5000 miles/ 12 months 5W-30
A6 3.0 TDI quattro (176 kW) 4GC 6,4 L 5000 miles/ 12 months 5W-30
A6 3.0 TDI quattro (176 kW) - 30000 km/ 24 months 5W-30
A6 3.0 TDI quattro (176 kW) 6,4 L (service fill) 30000 km/ 24 months 5W-30
A6 3.0 TDI quattro (180 kW) 6,4 L (service fill) 30000 km/ 24 months 5W-30
A6 3.0 TDI quattro (200 kW) 6,1 L 30000 km/ 24 months 5W-30
A6 3.0 TDI quattro (230 kW) 6,4 L (service fill) 30000 km/ 24 months 5W-30
A6 3.0 TDI quattro (235 kW) 6,4 L 30000 km/ 24 months 5W-30
A6 3.0 TDI quattro (240 kW) 6,4 L (service fill) 30000 km/ 24 months 5W-30
A6 3.0 TFSI quattro (220 kW) - 30000 km/ 24 months 0W-40, 5W-40, 5W-30
A6 3.0 TFSI quattro (228 kW) - 30000 km/ 24 months 0W-40, 5W-40, 5W-30
A6 3.0 TFSI quattro (245 kW) 6,8 L (service fill) 30000 km/ 24 months 0W-40, 5W-40, 5W-30
A6 3.0 TFSI quattro (250 kW) 6,8 L (service fill) 30000 km/ 24 months 0W-40, 5W-40, 5W-30
A6 Allroad 3.0 TDI quattro (140 kW) - 30000 km/ 24 months 5W-30
A6 Allroad 3.0 TDI quattro (150 kW) - 30000 km/ 24 months 5W-30
A6 Allroad 3.0 TDI quattro (155 kW) - 30000 km/ 24 months 5W-30
A6 Allroad 3.0 TDI quattro (160 kW) 6,1 L 30000 km/ 24 months 0W-20, 5W-30
A6 Allroad 3.0 TDI quattro (160 kW) 6,1 L 30000 km/ 24 months 5W-30
A6 Allroad 3.0 TDI quattro (180 kW) - 30000 km/ 24 months 5W-30
A6 Allroad 3.0 TDI quattro (200 kW) 6,1 L 30000 km/ 24 months 5W-30
A6 Allroad 3.0 TDI quattro (230 kW) - 30000 km/ 24 months 5W-30
A6 Allroad 3.0 TDI quattro (235 kW) 6,4 L 30000 km/ 24 months 5W-30
A6 Allroad 3.0 TFSI quattro (228 kW) - 15000 km/ 12 months 5W-30
A6 Allroad 3.0 TFSI quattro (245 kW) 6,8 L 30000 km/ 24 months 0W-40, 5W-40, 5W-30
A6 Hybrid 2.0 TFSI - 30000 km/ 24 months 0W-40, 5W-40, 5W-30
RS6 4.0 TFSI quattro (412 kW) 8,7 L 30000 km/ 24 months 0W-40, 5W-40, 5W-30
RS6 4.0 TFSI quattro (445 kW) 8,7 L 30000 km/ 24 months 0W-40, 5W-40, 5W-30
S6 (309 kW) 4G2 8,3 L 5000 miles/ 12 months 5W-40
S6 (331 kW) 4GC 8,7 L 10000 miles/ 12 months 5W-40
S6 (331 kW) 4GC 8,7 L 5000 miles/ 12 months 5W-40
S6 4.0 TFSI quattro (309 kW) - 30000 km/ 24 months 0W-40, 5W-40, 5W-30
S6 4.0 TFSI quattro (331 kW) 8,3 L 30000 km/ 24 months 0W-40, 5W-40, 5W-30
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A6 4F (2005-2011)

Engine Capacity Change interval Oil type
A6 2.0 TDI (100 kW) 3,8 L 30000 km/ 24 months 5W-40, 5W-30
A6 2.0 TDI (103 kW) 3,8 L 30000 km/ 24 months 5W-40, 5W-30
A6 2.0 TDI DPF (100 kW) - 30000 km/ 24 months 5W-30
A6 2.0 TDI DPF (100 kW) 3,8 L 30000 km/ 24 months 5W-30
A6 2.0 TDI DPF (103 kW) 3,8 L 30000 km/ 24 months 5W-30
A6 2.0 TDI DPF (120 kW) - 30000 km/ 24 months 5W-30
A6 2.0 TDI DPF (125 kW) - 30000 km/ 24 months 5W-30
A6 2.0 TDI DPF (89 kW) 3,8 L 30000 km/ 24 months 5W-30
A6 2.0 TFSI - 30000 km/ 24 months 0W-40, 5W-40, 5W-30
A6 2.4 quattro 6,5 L (service fill) 30000 km/ 24 months 10W-60, 10W-40, 15W-40, 5W-40, 0W-40, 5W-30
A6 2.4 6,5 L (service fill) 30000 km/ 24 months 10W-60, 10W-40, 15W-40, 5W-40, 0W-40, 5W-30
A6 2.7 TDI (120 kW) 8,2 L 30000 km/ 24 months 10W-60, 10W-40, 5W-40, 15W-40, 5W-30
A6 2.7 TDI (132 kW) 8,2 L 30000 km/ 24 months 10W-60, 10W-40, 5W-40, 15W-40, 5W-30
A6 2.7 TDI DPF (120 kW) - 30000 km/ 24 months 5W-30
A6 2.7 TDI DPF (132 kW) 8,2 L 30000 km/ 24 months 5W-30
A6 2.7 TDI DPF (140 kW) - 30000 km/ 24 months 5W-30
A6 2.7 TDI DPF quattro (120 kW) - 30000 km/ 24 months 5W-30
A6 2.7 TDI DPF quattro (132 kW) 8,2 L 30000 km/ 24 months 5W-30
A6 2.7 TDI DPF quattro (140 kW) - 30000 km/ 24 months 5W-30
A6 2.7 TDI quattro (120 kW) 8,2 L 30000 km/ 24 months 10W-60, 10W-40, 5W-40, 15W-40, 5W-30
A6 2.7 TDI quattro (132 kW) 8,2 L 30000 km/ 24 months 10W-60, 10W-40, 5W-40, 15W-40, 5W-30
A6 2.8 FSI (140 kW) - 30000 km/ 24 months 0W-40, 5W-40, 5W-30
A6 2.8 FSI (154 kW) 6,2 L 30000 km/ 24 months 0W-40, 5W-40, 5W-30
A6 2.8 FSI (162 kW) - 30000 km/ 24 months 0W-40, 5W-40, 5W-30
A6 2.8 FSI quattro (140 kW) - 30000 km/ 24 months 0W-40, 5W-40, 5W-30
A6 2.8 FSI quattro (154 kW) 6,2 L 30000 km/ 24 months 0W-40, 5W-40, 5W-30
A6 2.8 FSI quattro (162 kW) - 30000 km/ 24 months 0W-40, 5W-40, 5W-30
A6 3.0 T quattro (220 kW) 6,5 L 5000 miles/ 12 months 5W-40
A6 3.0 TDI DPF quattro (155 kW) - 30000 km/ 24 months 5W-30
A6 3.0 TDI DPF quattro (155 kW) 8,2 L 30000 km/ 24 months 5W-30
A6 3.0 TDI DPF quattro (165 kW) 8,2 L 30000 km/ 24 months 5W-30
A6 3.0 TDI DPF quattro (171 kW) - 30000 km/ 24 months 5W-30
A6 3.0 TDI DPF quattro (176 kW) - 30000 km/ 24 months 5W-30
A6 3.0 TDI quattro (155 kW) 8,2 L 30000 km/ 24 months 10W-60, 10W-40, 5W-40, 15W-40, 5W-30
A6 3.0 TDI quattro (165 kW) 8,2 L 30000 km/ 24 months 10W-60, 10W-40, 5W-40, 15W-40, 5W-30
A6 3.0 TDI quattro (171 kW) - 30000 km/ 24 months 10W-60, 10W-40, 5W-40, 15W-40, 5W-30
A6 3.0 TFSI quattro - 30000 km/ 24 months 0W-40, 5W-40, 5W-30
A6 3.0 quattro 6,3 L 30000 km/ 24 months 10W-60, 10W-40, 15W-40, 5W-40, 0W-40, 5W-30
A6 3.0 6,3 L 30000 km/ 24 months 10W-60, 10W-40, 15W-40, 5W-40, 0W-40, 5W-30
A6 3.2 FSI (187 kW) 6,5 L 5000 miles/ 12 months 5W-40
A6 3.2 FSI (195 kW) 6,5 L 5000 miles/ 12 months 5W-40
A6 3.2 FSI quattro (187 kW) 6,5 L 5000 miles/ 12 months 5W-40
A6 3.2 FSI quattro 6,5 L 30000 km/ 24 months 10W-60, 10W-40, 15W-40, 5W-40, 0W-40, 5W-30
A6 3.2 FSI 6,5 L 30000 km/ 24 months 10W-60, 10W-40, 15W-40, 5W-40, 0W-40, 5W-30
A6 4.2 8V 5V quattro (257 kW) 9,1 L 5000 miles/ 12 months 5W-40
A6 4.2 FSI quattro - 30000 km/ 24 months 10W-60, 10W-40, 15W-40, 5W-40, 0W-40, 5W-30
A6 4.2 V8 5V quattro (245 kW) 8,8 L 5000 miles/ 12 months 5W-40
A6 4.2 V8 5V quattro (257 kW) 8,4-9,1 L 5000 miles/ 12 months 5W-40
A6 4.2 V8 5V quattro (257 kW) 8,5 L 5000 miles/ 12 months 5W-40
A6 4.2 quattro 7,5-8,8 L 30000 km/ 24 months 10W-60, 10W-40, 15W-40, 5W-40, 0W-40, 5W-30
A6 Allroad 2.7 TDI (120 kW) - 30000 km/ 24 months 5W-30
A6 Allroad 2.7 TDI (120 kW) 8,2 L 30000 km/ 24 months 10W-60, 10W-40, 5W-40, 15W-40, 5W-30
A6 Allroad 2.7 TDI (132 kW) 8,2 L 30000 km/ 24 months 10W-60, 10W-40, 5W-40, 15W-40, 5W-30
A6 Allroad 2.7 TDI (140 kW) - 30000 km/ 24 months 5W-30
A6 Allroad 3.0 TDI (120 kW) - 30000 km/ 24 months 5W-30
A6 Allroad 3.0 TDI (155 kW) - 30000 km/ 24 months 5W-30
A6 Allroad 3.0 TDI (171 kW) - 30000 km/ 24 months 5W-30
A6 Allroad 3.0 TDI (176 kW) - 30000 km/ 24 months 5W-30
A6 Allroad 3.0 TFSI - 30000 km/ 24 months 0W-40, 5W-40, 5W-30
A6 Allroad 3.2 FSI 6,5 L 30000 km/ 24 months 10W-60, 10W-40, 15W-40, 5W-40, 0W-40, 5W-30
A6 Allroad 4.2 FSI - 30000 km/ 24 months 10W-60, 10W-40, 15W-40, 5W-40, 0W-40, 5W-30
A6 Avant 3.0 T quattro (220 kW) 6,5 L 5000 miles/ 12 months 5W-40
A6 Avant 3.2 FSI quattro (187 kW) 6,5 L 5000 miles/ 12 months 5W-40
RS6 5.0 TFSI quattro - 30000 km/ 24 months 5W-30
S6 5.2 FSI quattro 10 L 30000 km/ 24 months 10W-60, 10W-40, 15W-40, 5W-40, 0W-40, 5W-30
S6 5.2 V10 quattro (319 kW) 10 L 5000 miles/ 12 months 5W-40
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A6 4B (1997-2005)

Engine Capacity Change interval Oil type
A6 1.8 20V (85 kW) 4 L 15000 km/ 12 months 10W-60, 10W-40, 15W-40, 5W-40, 0W-40, 5W-30
A6 1.8 20V Turbo (AWT) 3,5 L 30000 km/ 24 months 10W-60, 10W-40, 15W-40, 5W-40, 0W-40, 5W-30
A6 1.8 20V Turbo quattro 3,5 L 15000 km/ 12 months 10W-60, 10W-40, 15W-40, 5W-40, 0W-40, 5W-30
A6 1.8 20V Turbo quattro 3,5 L 30000 km/ 24 months 10W-60, 10W-40, 15W-40, 5W-40, 0W-40, 5W-30
A6 1.8 20V Turbo 3,5 L 15000 km/ 12 months 10W-60, 10W-40, 15W-40, 5W-40, 0W-40, 5W-30
A6 1.8 20V Turbo 3,5 L 30000 km/ 24 months 10W-60, 10W-40, 15W-40, 5W-40, 0W-40, 5W-30
A6 1.8 20V 4 L 15000 km/ 12 months 10W-60, 10W-40, 15W-40, 5W-40, 0W-40, 5W-30
A6 1.8 20V 4 L 30000 km/ 24 months 5W-30
A6 1.9 TDI (81 kW) 3,8 L 15000 km/ 12 months 10W-60, 10W-40, 5W-40, 15W-40, 5W-30
A6 1.9 TDI (81 kW) 3,8 L 50000 km/ 24 months 10W-60, 10W-40, 5W-40, 15W-40, 5W-30
A6 1.9 TDI (96 kW) 3,7 L 50000 km/ 24 months 5W-40, 5W-30
A6 2.0 20V 4,2 L 30000 km/ 24 months 10W-60, 10W-40, 15W-40, 5W-40, 0W-40, 5W-30
A6 2.4 V6 30V quattro 6 L 15000 km/ 12 months 10W-60, 10W-40, 15W-40, 5W-40, 0W-40, 5W-30
A6 2.4 V6 30V quattro 6 L 30000 km/ 24 months 10W-60, 10W-40, 15W-40, 5W-40, 0W-40, 5W-30
A6 2.4 V6 30V 6 L 15000 km/ 12 months 10W-60, 10W-40, 15W-40, 5W-40, 0W-40, 5W-30
A6 2.4 V6 30V 6 L 30000 km/ 24 months 10W-60, 10W-40, 15W-40, 5W-40, 0W-40, 5W-30
A6 2.5 TDI V6 (110 kW) 5,5 L 15000 km/ 12 months 10W-60, 10W-40, 5W-40, 15W-40, 5W-30
A6 2.5 TDI V6 (110 kW) 5,5 L 35000 km/ 24 months 10W-60, 10W-40, 5W-40, 15W-40, 5W-30
A6 2.5 TDI V6 (114 kW) 5,5 L 35000 km/ 24 months 10W-60, 10W-40, 5W-40, 15W-40, 5W-30
A6 2.5 TDI V6 (120 kW) 5,5 L (service fill) 35000 km/ 24 months 10W-60, 10W-40, 5W-40, 15W-40, 5W-30
A6 2.5 TDI V6 (132 kW) 5,5 L (service fill) 35000 km/ 24 months 10W-60, 10W-40, 5W-40, 15W-40, 5W-30
A6 2.5 TDI V6 quattro (110 kW) 5,5 L 15000 km/ 12 months 10W-60, 10W-40, 5W-40, 15W-40, 5W-30
A6 2.5 TDI V6 quattro (110 kW) 5,5 L 35000 km/ 24 months 10W-60, 10W-40, 5W-40, 15W-40, 5W-30
A6 2.5 TDI V6 quattro (132 kW) 5,5 L (service fill) 35000 km/ 24 months 10W-60, 10W-40, 5W-40, 15W-40, 5W-30
A6 2.7 5V Bi Turbo quattro (169 kW) 6,5 L 5000 miles/ 12 months 5W-40
A6 2.7 5V Bi Turbo quattro (187 kW) 6,5 L 5000 miles/ 12 months 5W-40
A6 2.7 V6 30V BiTurbo quattro 6 L 15000 km/ 12 months 10W-60, 10W-40, 15W-40, 5W-40, 0W-40, 5W-30
A6 2.7 V6 30V BiTurbo quattro 6 L 30000 km/ 24 months 10W-60, 10W-40, 15W-40, 5W-40, 0W-40, 5W-30
A6 2.8 5V (142 kW) 5,7-6 L 5000 miles/ 12 months 5W-40
A6 2.8 5V quattro (142 kW) 5,7-6 L 5000 miles/ 12 months 5W-40
A6 2.8 V6 30V quattro 5,5 L 15000 km/ 12 months 10W-60, 10W-40, 15W-40, 5W-40, 0W-40, 5W-30
A6 2.8 V6 30V quattro 5,5 L 30000 km/ 24 months 5W-30
A6 2.8 V6 30V 5,5 L 15000 km/ 12 months 10W-60, 10W-40, 15W-40, 5W-40, 0W-40, 5W-30
A6 2.8 V6 30V 5,5 L 30000 km/ 24 months 5W-30
A6 3.0 5V (162 kW) 6,4 L 5000 miles/ 12 months 5W-40
A6 3.0 5V quattro (162 kW) 6,4 L 5000 miles/ 12 months 5W-40
A6 3.0 V6 30V quattro 6,5 L 30000 km/ 24 months 10W-60, 10W-40, 15W-40, 5W-40, 0W-40, 5W-30
A6 3.0 V6 30V 6,5 L 30000 km/ 24 months 10W-60, 10W-40, 15W-40, 5W-40, 0W-40, 5W-30
A6 4.2 V8 40V quattro 7,5 L 15000 km/ 12 months 10W-60, 10W-40, 15W-40, 5W-40, 0W-40, 5W-30
A6 4.2 V8 40V quattro 7,5 L 30000 km/ 24 months 10W-60, 10W-40, 15W-40, 5W-40, 0W-40, 5W-30
A6 Allroad 2.5 TDI (120 kW) 5,5 L 35000 km/ 24 months 10W-60, 10W-40, 5W-40, 15W-40, 5W-30
A6 Allroad 2.5 TDI (132 kW) 5,5 L 35000 km/ 24 months 10W-60, 10W-40, 5W-40, 15W-40, 5W-30
A6 Allroad 2.7 V6 6 L 30000 km/ 24 months 10W-60, 10W-40, 15W-40, 5W-40, 0W-40, 5W-30
A6 Allroad 4.2 5V quattro (221 kW) 7,6-8 L 5000 miles/ 12 months 5W-40
A6 Allroad 4.2 V8 8,5 L 30000 km/ 24 months 10W-60, 10W-40, 15W-40, 5W-40, 0W-40, 5W-30
A6 Allroad Bi Turbo 2.7 5V quattro (169 kW) 6,5 L 5000 miles/ 12 months 5W-40
A6 Allroad Bi Turbo 2.7 5V quattro (187 kW) 6,5 L 5000 miles/ 12 months 5W-40
RS6 4.2 V8 5V Turbo quattro (331 kW) 7,6 L 5000 miles/ 12 months 5W-40, 5W-30
RS6 4.2 V8 Turbo quattro (331 kW) 7,5 L 15000 km/ 12 months 5W-40, 5W-30
RS6 4.2 V8 Turbo quattro (353 kW) 7,5 L 15000 km/ 12 months 5W-40, 5W-30
S6 4.2 V8 40V quattro 7,5 L 30000 km/ 24 months 10W-60, 10W-40, 15W-40, 5W-40, 0W-40, 5W-30
S6 4.2 V8 5V quatrro (220 kW) 8 L 5000 miles/ 12 months 5W-40
S6 4.2 V8 5V quattro (220 kW) 7,6 L 5000 miles/ 12 months 5W-40
S6 4.2 V8 5V quattro (220 kW) 7,6 L 5000 miles/ 12 months 5W-40, 5W-30
S6 4.2 V8 5V quattro (250 kW) 7,6 L 5000 miles/ 12 months 5W-40, 5W-30
More engines

A6 C4 (1994-1997)

Engine Capacity Change interval Oil type
A6 2.8 V6 (128 kW) 5 L - 5W-40
A6 2.8 V6 (128 kW) 5 L 7500 miles/ 12 months 5W-40
A6 2.8 V6 Wagon (128 kW) 5 L - 5W-40
A6 2.8 V6 Wagon (128 kW) 5 L 7500 miles/ 12 months 5W-40

Fuel Economy at 60 vs 70 MPH – Best Speed for Your Pocket
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