Stepping up to the sportier Audi S5 equips a 3.0-liter turbocharged V-6 engine developing 362 hp. Like the regular A5, the S5 makes use of a dual-clutch automatic transmission and all-wheel drive.

The fastback hatch at the rear of the wagon helped create a low coefficient of drag, while the defroster wires in the lower rear window actually spell out 'quattro.' The 15-inch BBS wheels are factory ...