With it’s unique butterfly doors and carbon-fiber body, the rear-wheel drive, 2008 Mercedes Benz SLR McLaren Roadster is the result of a partnership between Mercedes Benz and McLaren cars. Modeled after its sister the SLR coupe, the two-seater Roadster comes in with a MSRP at almost a half a million dollars ($495,00 for base model), and can go from 0 to 60 in 3.8 seconds, with a top speed of 206 miles per hour.The 2008 Mercedes Benz SLR McLaren Roadster’s body is made exclusively of carbon-fiber over reinforced plastic. A powerful 5.5 liter supercharged, 24 valve, V-8 engine delivers 617 horsepower and 575 lb-ft of torque. Its transmission features an AMG Speed shift-R, which is a five-speed automatic transmission. Fuel efficiency is rated at 12 mpg in city driving conditions and 16 mpg in highway driving conditions.