This website states the top 20 sports cars
2010 Audi R8 Spyder Pictures | RSportsCars.com

I have to say I don't agree with some that are on the list

Top 20 Sports Cars

* Aston Martin DBS
* Audi R8
* Audi S5
* BMW 135i
* BMW M3
* Bugatti Veyron 16.4
* Chevrolet Corvette ZR1
* Dodge Viper SRT-10
* Ferrari 430 Scuderia
* Ferrari California
* Ford Focus RS WRC
* Lamborghini Gallardo LP560-4
* Maserati GranTurismo
* Mazda RX 8
* Mercedes-Benz CL 65 Edition
* Mercedes-Benz SLK 55 Edition
* Mitsubishi Lancer Evolution X
* Porsche 911 GT2
* Saleen S7 Twin Turbo
* Subaru Impreza WRX STI