The S5, meanwhile, features a V8, presumably the venerable 4.2L unit, though Audi doesn't mention its displacement. It does, however, reveal the S5 will produce 354bhp and peak torque of 325 ft-lbs. at 3,500 rpm. A six-speed manual and quattro all-wheel drive come standard of course, and help the S5 reach 62 mph in 5.1 seconds, so we're guessing it will hit 60 in 5.0 seconds or a bit under. In addition to the more powerful engine, the S5 benefits from a sharper suspension and larger brakes.
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