Adding part-time four-wheel drive to the 2006 GMC Sierra 1500HD SLE1 4WD offers more stability in tough road situations, but shaves a few pounds off towing capacity -- down to 9900 pounds from 10,300. The 4WD comes with automatic locking hubs and joins the front stabilizer bar, front independent and rear live axle suspension, and 16-inch wheels with all-season tires for truck-like handling and ride. 4-wheel disc and ABS brakes, automatic headlights, foglights, and dual front airbags earn three and four-star frontal impact ratings and four-star side impact ratings in crash tests. An auto-dimming rearview mirror, folding mirror extensions, turn signals in mirrors, and a locking rear differential are available as options.
Six people fit in two rows of seats in the 2006 Sierra 1500HD SLE1, a half-ton pickup with a 6.5-foot bed. Rear seats split-fold, and the bed can be outfitted with tie-downs, a net, a bed extender, and a cover. A sliding rear window can replace the fixed one. Standard interior features include a full power setup, keyless entry, cruise control, a CD player, intermittent wipers, heated mirrors, privacy glass, temperature display, and a security system You can add OnStar, a power driver's seat, automatic climate control, wheel-mounted audio controls, satellite radio, a trip computer, and leather seats.
Sitting on a truck platform that includes a front independent and rear live axle suspension, the 2006 GMC Sierra 1500HD SLE1 is a rear-wheel drive, full-size, half-ton pickup that can tow up to 10,300 pounds and hold over 3000 pounds in its 6.5-foot pickup bed. The Crew Cab has four doors and seats up to six people in two rows (the rear bench split-folds). Powered by a 6.0-liter, 300-hp V8 and 4-speed HydraMatic transmission, it produces 360 lb-ft of torque. 4-wheel disc and ABS brakes, 16-inch wheels, automatic headlights, daytime running lights, foglights, and dual front airbags are standard. Side airbags are not offered, but you can add mirrors with turn signals, an auto-dimming rearview mirror, and a locking differential.
The 2006 Sierra 1500HD SLE1 comes with full power features, cruise control, a CD player and radio that provides song data, keyless entry, intermittent wipers, tilt steering, privacy glass, a security system, and a temperature display. Console and seatback storage, cupholders, and a front power outlet are passenger-oriented. There are plenty of options for the SLE1, including a trip computer, a power driver's seat, wheel-mounted audio controls, satellite radio, OnStar, and leather seats. The pickup bed can be outfitted with tie-downs, a cover, a bed extender, and a trailer hitch.