The 2009 Audi R8 GT3 is powered by a 500hp V8 engine. It is a mid-engine sports car that comes with a 420 horsepower and all-wheel-drive. The car is priced at between $80,000 and $110,000. It is a new BMW M6, Porsche 911, and Aston Martin Vantage competitor. The R8 reaches 0 to 62 mph in 4.6 seconds. [SeriousWheels]
