leather upholstery, dual-zone, automatic climate control; automatic headlamps; AM/FM stereo with 6CD/DVD changer; XM Satellite Radio (3-month trial service included); OnStar safety warning and communication system (one year service included); remote keyless unlock and start; rain-sensing windshield wipers; programmable remote garage opener system; power windows; 8-way front seats; heated outside mirrors; power tilt and telescope wood-and-leather steering wheel; memory for driver's seat, outside mirrors and steering wheel; leather-trimmed front and rear floor mats; tire-pressure monitor

Engines (standard): 4.6-liter DOHC 32-valve V8
Engines (options): 302-hp 3.6-liter DOHC 24-valve V6 w VVT; 320-hp 4.6-liter DOHC 32-valve V8 w VVT; 469-hp 4.4-liter DOHC 32-valve supercharged V8 w VVT
Horsepower: 320 @ 6400
Torque: 315 @ 4400
EPA Fuel Economy:
Turn Circle: 38.8
Front Suspension: independent, short-and-long control arms, coil springs over shocks, stabilizer bar
Rear Suspension: independent, modified multi-link, coil springs, magnetic ride control, pneumatic load-leveling, stabilizer bar
Towing Capacity: 1000
Tires: P235/50WR18 front; P255/45WR18 rear
Front / Rear Brakes: vented disc/vented disc with ABS
Fuel Capacity: 17.5

Seating Capacity: 5
Front Head/Hip/Leg Room: 38.7/54.6/42.6
Trunk Volume: 13.8
Payload:

Wheelbase: 116.4
Length/Width/Height: 196.3/72.6/57.6
Ground Clearance: 5.5