Abt Sportline R8 GT S goes topless in Geneva
01/03/2011 13:36 - admin
Based on the Audi R8 Spyder, the GT S has a retuned 5.2-liter V10 engine which produces 620 PS (456 kW / 612 hp).[...]

Source: worldcarfans Tuning
http://www.tuning-links.com/news_1338_Abt+Sportline+R8+GT+S+goes+topless+in+Geneva.html