You might consider this car, the Bugatti Veyron.



Here are a few specs if you don't feel like reading the article:

Engine:
W-16 8 liter engine
Four seperate turbochargers
Four valves per cylinder, 64 total valves
1,001 HP

Transmission:
Seven gears
Dual clutch
Sequential shifting
Paddle-driven, computer-controlled shifting system

Performance:
Top speed: 250+ mph (400+ kph)
Zero-to-60: 3 seconds
Zero-to-180: 14 seconds
Full-time all wheel drive
Burns 1.33 gallons per minute at maximum power
Burns 45,000 liters of air at maximum power

They didn't mention any city/highway gas mileages though....