Callaway C16 Cabrio

The C16 Cabrio is a topless version of Callaway's Corvette-based supercar. With a supercharged 6-liter engine, the C16 delivers a blistering 560 horsepower in its standard configuration; those who want more can option up the Performance Package, which delivers 616 horsepower and catapults the ragtop rocket to 60mph in 3.5 seconds.