Engine: 6.0-liter V8

Engine Options: 295-hp 4.8-liter V8; 315-hp 5.3-liter V8; 367-hp 6.0-liter V8; 403-hp 6.2-liter V8

Transmission: 4-speed automatic

Transmission Options: 4-speed automatic; 6-speed automatic

Standard Safety Equipment: dual front airbags, daytime running lights, tire pressure monitoring system

Optional Safety Equipment: anti-lock brakes, side-curtain airbags, StabiliTrak electronic stability control with rollover mitigation technology, Autotrack active transfer case, Ultrasonic rear parking assist, OnStar, driver and front-seat side air bags

Basic Warranty: 3 years/36,000 miles

Assembled In: Pontiac, Michigan; Fort Wayne, Indiana; Oshawa, Ontario; and Silao, Mexico

Model Tested: GMC Sierra SLT Crew Cab 4x2 short bed ($34,645)

Standard Equipment: leather seat trim, front bucket seats with 12-way power adjustment, dual zone air condoning, six-disc CD changer with Bose sound system, heated windshield washers, polished 17-inch aluminum wheels, OnStar (with one year of service), cruise control, rear-window defogger, auto-dimming rearview mirror with compass and outside temperature reading, leather-wrapped steering wheel with audio controls, fog lamps, carpeting, power door locks/windows/mirrors, floor console

Options as Tested: NHT package ($2,265) includes 6.0-liter engine, locking differential, trailer equipment; side-curtain airbags ($395); EZ tailgate ($95); convenience package ($540)

Destination Charge: 925

Gas Guzzler Tax:

Layout: rear-wheel drive

Horsepower: 367 @ 5300

Torque: 375 @ 4300

Miles Per Gallon in the City/Highway: 13/18

Wheelbase: 143.5 inches

Length/Width/Height in Inches: 230.2/80.0/73.7 inches

Track Front/Rear: 68.1/67.0 inches

Turning Cycle: 47.2 feet

Seating Capacity: 6 people

Head/Hip/Leg Room, f: 41.2/62.5/41.2 inches

Head/Hip/Leg Room, m: inches

Head/Hip/Leg Room, r: 40.5/65.4/38.7 inches

Trunk Volume: cubic feet

Payload: 1658

Suspension, f: independent, coil springs

Ground Clearance: 9.0 inches

Curb Weight: 5142 pounds

Towing Capacity: 10200 pounds

Tires: 245/70R17

Brakes: vented disc/vented disc, ABS

Fuel Capacity: 26.0 Gallons