A6 C5 (4B2, 4B4)1.8 T quattro (110kW/150PS) · 2.4 quattro (121kW/165PS) · 2.8 quattro (142kW/193PS) · 2.5 TDI quattro (110kW/150PS) · 2.7 T quattro (169kW/230PS) · 1.8 T quattro (132kW/180PS) · 4.2 quattro (220kW/299PS) · 3.7 quattro (191kW/260PS) · S6 quattro (250kW/340PS) · 2.5 TDI quattro (132kW/180PS) · 3.0 quattro (162kW/220PS) · 2.4 quattro (125kW/170PS) · 2.7 T quattro (184kW/250PS) · 2.4 quattro (120kW/163PS)
A6 C5 Avant (4B5, 4B6)2.8 quattro (142kW/193PS) · 1.8 T quattro (110kW/150PS) · 2.4 quattro (121kW/165PS) · 2.5 TDI quattro (110kW/150PS) · 2.7 T quattro (169kW/230PS) · 1.8 T quattro (132kW/180PS) · 3.7 quattro (191kW/260PS) · 4.2 quattro (220kW/299PS) · S6 quattro (250kW/340PS) · 2.5 TDI quattro (132kW/180PS) · 2.4 quattro (125kW/170PS) · 2.7 T quattro (184kW/250PS) · 3.0 quattro (162kW/220PS)
ALLROAD C5 (4BH)2.5 TDI quattro (132kW/180PS) · 2.7 T quattro (184kW/250PS) · 4.2 V8 quattro (220kW/299PS) · 2.5 TDI quattro (120kW/163PS)