here are the numbers for the '05
Engine type: supercharged, intercooled 90 degree V-8 Iron block
aluminum heads
displacement: 280.8 ci.
compression ratio: 8.5:1
horsepower: 400@ 6000rpm
Torque: 390@3500
redline: 6500rpm
Transmission: 6-speed manual, 5-speed automatic.
axle ratio: 3.55:1
final drive ratio: 2.24:1
Brakes: 13.8 inch vented discs front and rear
wheels: 20x8.5/20x9.5 cast aluminum
tires: front: 245/40ZR20
rear: 275/35ZR20 BFGoodrich G-Force
Length: 182 inches
Width: 74.4 inches
height: 50.8 inches
fuel capacity: 18 gallons
seating capacity: 2