With either transmission--six-speed manual or automatic, both a joy to drive--the Audi S5 gets to 60 mph in a mere 4.9 seconds and reaches a top speed of 155 mph. It's the only car in its class to offer all-wheel drive with a manual transmission. Rear-biased all-wheel drive helps the wheels get traction no matter what the surface, and helps neutralize handling in spirited driving