Audi’s only gasoline V-6 as of the ’13 model year powers the A6 and A7 4-door "coupe," the high-performance S4 sedan and Cabriolet and S5 coupe, as well as the Q5 and Q7 CUVs and the ’13 A8 luxury sedan. It also can be found in the VW Touareg and two Porsches.
The 2.0L 4-cyl. is smooth and powerful enough to replace BMW’s iconic I-6 engines on a growing number of its up-market models. The auto maker already is designing a completely new engine family of 3-cyl., 4-cyl. and 6-cyl. engines.