Audi R8 GT S Roadster by ABT

V10 / 5.204 cc / 620 PS / 0 - 62 mph (100 km/h): 3,6 s / Vmax: 199 mph (320 km/h)

(click images for a larger view)

Audi R8 V10 Quattro Spyder by Regula Exclusive

V10 / 5.208 cc / 525 PS / 391 ft/lb (530 Nm) @ 6.500 / quattro AWD / 0 - 62 mph (100 km/h): 4,1 s / Vmax: 194 mph (313 km/h)

(click images for a larger view)

Audi R8 V10 GT-X650 by XXX-Performance

V10 / 5.204 cc / 650 PS / quattro AWD / 0 - 62 mph (100 km/h): 3,9 s / Vmax: 196 mph (316 km/h)

(click images for a larger view)

Audi R8 V10 5,2 Quattro by XXX-Performance

V10 / 5.204 cc / 650 PS / quattro AWD / 0 - 62 mph (100 km/h): 3,9 s / Vmax: 196 mph (316 km/h)

(click images for a larger view)