Has to be the Buggati Veyron for me. Limited edition car, they lose over £4mill on every one of these babies!
Top Speed: 248.5 mph / 400 km/h
0-60 mph: 2.7 seconds
Engine: Quad Turbo W-16
Production costs = £5,000,000
Reatil price = £840,000
Over 1000BHP and 0-60 in under 3 seconds = Priceless!