I'd buy a Brabus Bullit.....even though I like BMW more
V12 Twin Turbo with 730 whp and 811 lbf torque in a C-Class Sedan!
The torque is limited, actually the car has 973 lbf! Brabus used a modified Maybach transmission to bring the power to the street.
0-60 - 3,8 sec
Vmax - over 223 mph
here are 2 videos from the Frankfurt IAA
YouTube - Autosalon Frankfurt 2007: Brabus Bullit V12
YouTube - IAA 2007 Brabus Bullit
sure there's a better investment for 398000 euros than in a car.....but I think it's worth every cent.....the interieur literaly consists out of suede, leather and carbon fiber