Vortec 5.3L V8 SFI, 4-Speed Automatic with Overdrive, and 4WD. Come to the experts! All the right ingredients! GMC has done it again! They have built some wonderful vehicles and this fantastic-looking 2007 GMC Sierra 1500 is no exception! This truck is nicely equipped with features such as Vortec 5.3L V8 SFI, 4-Speed Automatic with Overdrive, 4WD, ABS brakes, Air conditioning, AM/FM radio, Bumpers: chrome, Delay-off headlights, Dual front impact airbags, Emergency communication system, Front anti-roll bar, Front Center Armrest w/Storage, Front Cupholders, Front reading lights, Front wheel independent suspension, Fully automatic headlights, Low tire pressure warning, Occupant sensing airbag, Overhead console, Passenger vanity mirror, Power steering, Rear reading lights, Rear step bumper, Tachometer, Tilt steering wheel, and Variably intermittent wipers. Leave all the pavement-locked crowds behind with the off-road ability of this Sierra 1500. It scored the top rating in the IIHS frontal offset test.