Let me confess something: I bought my first car because of a commercial. It was never a question of gas mileage or all-wheel drive. I didn’t care about horsepower or reliability or safety features or any of the other things people usually consider when making the Great Car Decision. For me, the only thing that mattered was the dreamy sight of some friends in a Volkswagen Cabrio cruising along windy roads at night while Nick Drake crooned the somewhat nonsensical but no less....