The 2009 GMC Sierra 2500HD full-size heavy-duty pickup is available in three body styles: regular cab, extended cab and crew cab. Regular cabs come with a long bed, while extended cabs and crew cabs can have either a standard or long bed. Regular cabs are offered in base Work Truck (WT) or midlevel SLE trims; extended and crew cabs can also be had in plush SLT form.The WT trim comes standard with air-conditioning (optional with the regular cab), a trip computer, a CD player, satellite radio, OnStar, vinyl seating, a 40/20/40-split front bench seat and a tilt steering wheel.
The SLE trim adds deep-tinted windows, chrome-style steel wheels, cruise control, full power accessories, heated exterior mirrors, dual-zone automatic climate control, cloth seating, keyless entry and a leather-wrapped steering wheel.
The top-of-the-line SLT is only available with the extended and crew cabs. It adds a locking rear differential, a heavy-duty trailering package (with an integrated trailer brake controller), remote engine start, an upgraded dash design, a Bose audio system with a six-CD changer and rear audio controls, 12-way power-adjustable heated front bucket seats and leather upholstery.
Options, depending on truck configuration, include a back-up camera, a power-sliding rear window, a navigation system with available real-time traffic, a rear-seat DVD entertainment system, rear park assist, a sunroof, camper-style side mirrors, the Z71 Off-Road package (including skid plates, off-road suspension and a locking rear differential), a safety package (including power-adjustable pedals and park assist), a cargo management system and an "EZ lift" tailgate.