Forbes.com: Audi’s upmarket S5, brandishing “sportier suspension, high performance brakes, and 18-inch wheels,” is essentially a souped-up version of the A5. The 354-hp V8 takes this awesome coupe from 0 to 60 mph in 5.1 seconds. But Audi insists the S5 is “built more for luxury and comfort than speed,” and is essentially a touring [...]