We have had several fast Audis before, but this appealing - and possibly peeling - first-gen S6 manages ... because Audi introduced its spiffy new model naming policy in 1994 when the C4 ...

and a more prominent tachometer display for the digital gauge cluster. Audi says that the European version of the S6, which uses a turbo-diesel V-6, will go on sale this summer, and the 2020 S6 ...

The six-speed auto transmission flicks the changes the instant the tach needle kisses the big seven ... So although the S6's engine is roughly 15 percent less powerful than those of its key ...

Back in 1997, Audi retired the C4 generation of the A6, after only four years of production, but not before releasing the hottest model of the series, the S6 Plus. Made in the final two years of ...

We have had several fast Audis before, but this appealing - and possibly peeling - first-gen S6 manages ... because Audi introduced its spiffy new model naming policy in 1994 when the C4 ...