A6 (4F2, C6) 2.7 TDI (2004 - 2008) 2698 ccm, 132 kw, 180 hp
A6 (4F2, C6) 2.7 TDI (2004 - 2011) 2698 ccm, 120 kw, 163 hp [Motorkod : BSG]
A6 (4F2, C6) 2.7 TDI quattro (2004 - 2008) 2698 ccm, 132 kw, 180 hp
A6 (4F2, C6) 2.7 TDI quattro (2005 - 2011) 2698 ccm, 120 kw, 163 hp [Motorkod : BSG]
A6 (4F2, C6) 3.0 (2004 - 2006) 2976 ccm, 160 kw, 218 hp
A6 (4F2, C6) 3.0 quattro (2004 - 2006) 2976 ccm, 160 kw, 218 hp
A6 (4F2, C6) 3.0 TDI quattro (2004 - 2006) 2967 ccm, 165 kw, 225 hp
A6 (4F2, C6) 3.0 TDI quattro (2004 - 2011) 2967 ccm, 155 kw, 211 hp [Motorkod : BNG]
A6 Avant (4F5, C6) 2.7 TDI (2005 - 2011) 2698 ccm, 120 kw, 163 hp [Motorkod : BSG]
A6 Avant (4F5, C6) 2.7 TDI (2005 - 2008) 2698 ccm, 132 kw, 180 hp
A6 Avant (4F5, C6) 2.7 TDI quattro (2004 - 2008) 2698 ccm, 132 kw, 180 hp
A6 Avant (4F5, C6) 2.7 TDI quattro (2005 - 2011) 2698 ccm, 120 kw, 163 hp [Motorkod : BSG]
A6 Avant (4F5, C6) 3.0 (2005 - 2006) 2976 ccm, 160 kw, 218 hp
A6 Avant (4F5, C6) 3.0 quattro (2005 - 2006) 2976 ccm, 160 kw, 218 hp
A6 Avant (4F5, C6) 3.0 TDI quattro (2005 - 2006) 2967 ccm, 165 kw, 225 hp
A6 C6 Avant (4F5) 3.0 TDI quattro (2005 - 2011) 2967 ccm, 155 kw, 211 hp [Motorkod : BNG]
