The GMC Sierra is a mainstay of GM truck sales--and as such, GM's made it possible to configure the full-sizer in hundreds of ways, with choices for everything from powertrains, body styles, bed lengths, trim levels, and options. As a result, one driver's Sierra can be a very basic stripper, while another family's Sierra can be a plush towing toy.
The lineup of trim levels progresses from Work editions, through SL, SLE and SLT versions, into the luxurious Denali versions. The base truck gets a minimum of standard gear: there's a basic AM/FM radio, and the option to delete it; vinyl bench seat; manual locks; and crank windows.
The dizzying features list moves smartly through luxury features on the way to the Denali peak. Most Sierras have a standard USB port and an auxiliary jack for media player connectivity; Bluetooth is offered, too. More expensive Sierras now can be had with DVD navigation and real-time traffic data; a sunroof and a power-sliding rear window; 22-inch wheels; leather upholstery; even a factory-installed bedliner.
For off-road specialists, the Sierra's All-Terrain package adds on tow hooks, skid plates, and rescue fittings.
With the Hybrid model, many of the luxury features become standard equipment. Its pricetag starts in the high $30,000 range, and can blow through $50,000 when the pricier version is optioned up. The Hybrid gets standard automatic climate control, Bluetooth and steering-wheel audio controls; the navigation system comes with the Premium version, along with Bose audio, a hard bed cover, and leather.