The Alfa Romeo 8c Spider is convertible crown jewel. Unveiled at the 2008 Geneva Car Show, the 8C Spider is a 450 horsepower convertible powered by a 8 cylinder 4.7 liter engine that will instantly qualify as a modern classic. Want one? There's a limited production run of 500 Alfa Romeo 8c Spider models that will lend the car out to the highest and quickest bidder, so keep your pants on!