BMW M6 vs. 911 Turbo. Both cars original. Rolllings start at 50 km/h when we cross some cones. We end the race at around 240-250 km/h, looks like the 911 Turbo driver finish to floor it a bit before me.

http://video.google.com/videoplay?docid=5782964103205155527&q=911+turbo

2dd race here from standstill with Launch Control
http://video.google.com/videoplay?docid=-7456973188046837883&q=m6+911

This RS4 was tuned to over 500 HP and overr 600 Nm according to the owner.

Engine: 2671 cc 500+ hk [368+ kW] - 600+ Nm
Tuned by ACE Competition
Acc: 0-100 km/h <4s

According to Ace competition stats:

Effekt: 380 hk (280 kW) vid 6100 varv/min Effekt: 480 hk (353 kW) vid 7050 varv/min Vridmoment: 440 Nm vid 2500-6000 varv/min Vridmoment: 580 Nm vid 3300 varv/min Toppfart: 250 km/h Toppfart: 300+ km/h 0-100 km/h: 4,9 s 0-100 km/h: 4,2 s Modifikationer: Programvara, komplett rostfritt avgassystem inkl racekatalysatorer och främre rör, turbo, ombyggnad vevhusventilation, diverse packningar, motorolja Castrol TWS 10W/60, oljefilter, glykol. Prestanda 0-200 km/h 12,9 s.


http://video.google.com/videoplay?docid=2515316817779855742&q=RS4