Base price: $46,725
Cheaper than the car it replaces, the sure-footed, all-wheel drive Audi S4 takes everything from the Audi A4 on which it?s based- comfort, safety, and solid build quality- and cranks it up. Compared with the previous model, the S4 sheds half a second in the 0 to 60mph run (5.2 seconds with a six-speed manual while managing to increase fuel economy.