The Audi A3 has succeeded where others before it have failed. Conventional wisdom says Americans don't purchase small premium-luxury hatchbacks, and the lackluster sales of the BMW 318ti and Mercedes-Benz C230 coupe seem to lend credence to the theory. Yet, despite all odds, Audi's A3 has caught on, offering four-door versatility wrapped in a sleek package that forgoes a trunk in favor of a rear hatchback. Of course, it doesn't hurt that the A3 is priced well below $30,000, offers two great engine choices and is fitted with many of Audi's trademark features, such as quattro all-wheel drive and the revolutionary Direct Shift Gearbox (DSG).