All models from the entry level 1500 to the top of the line Denali share basic styling cues that include a bold, vertical front grille flanked by stacked dual head light clusters, regular or extended-cab body styles and large, pronounced wheel openings.
Wheel and tire options include 17-inch painted steel, equipped with all season black-wall radials for the base 1500 model all the way up to 20-inch chrome aluminum wheels, optional on the up rated Denali trim level.
All told there are 6 body configurations to choose from, depending on what cab and truck-bed length you choose.
Engine choices abound as well with offerings that range from the 4.3 Liter, 195 horsepower V6 that comes standard in the 1500 trim level up to the 6.2 Liter V8 that produces 403 horsepower and a 6.6 Liter Turbo Diesel that can power the 3500 Heavy Duty version of the pick-up.
There are two transmissions offered, a 4 or 6-speed automatic, depending on your choice of engine and two or 4-wheel drive.
While the base 1500 comes with a disc front and rear drum, ABS brake system all other models in the Sierra line-up come through with 4-wheel ABS discs supported by a wide variety of electronic braking safety features.
The best EPA estimated fuel mileage is delivered by the V6 at 15 City/20 Highway while the largest V8 gets 12 City and 18 Highway.
Even the entry level Sierra 1500 includes such interior features as air conditioning and an AM/FM, MP3-compatible CD player with multiple speakers. And you don't have to move up-market to the Denali trim to enjoy the comforts of leather appointed power seats, high-end audio or navigation and DVD systems.
Dual-stage airbags for front passengers are standard with available head curtain side air bags offered on all models.
MSRP for the GMC Sierra line ranges from $ 17,500 for the 1500 model all the way up to $ 48,000 for the fully loaded upper trim levels. Warranty is a full five years or 100,000 miles.
From basic "Work Truck" to top of the line luxury...GMC has all the bases covered in its full size Sierra pick-up truck.