What Car Should I Buy?

That'd be great were it not for 'traffic calming' road humps - pretty soon you'd need all that boot space to fit the front spoiler in after attempting to go over the first one.

engine RS4 Grand Prix V10
displacement 3500 cc / 213.6 cu in
power 596.6 kw / 800.0 bhp @ rpm
hp per litre 228.57 bhp per litre
bhp/weight 615.38 bhp per tonne
torque 705.0 nm / 520.0 ft lbs @ rpm
drive wheels Mid Engine / RWD
front brakes Vented Carbon Discs
rear brakes Vented Carbon Discs
weight 1300 kg / 2866 lbs
wheelbase 2715 mm / 106.9 in
length 4430 mm / 174.4 in
width 2050 mm / 80.7 in
transmission 6-Speed Sequential
top speed 312.2 kph / 194.0 mph
0 - 60 mph 2.8 seconds

With that spec put your foot down and fly over the speed bumps.