The chaps at Car und Driver report Audi will put the next S4 and S5 on diets to trim 20% of their heft with lighter materials and smaller, higher strung engines.
The chaps at Car und Driver report Audi will put the next S4 and S5 on diets to trim 20% of their heft with lighter materials and smaller, higher strung engines.
Yeah, so, that Car of the Future