Vortec 5.3L V8 SPI, 4-Speed Automatic with Overdrive, 4WD, ABS brakes, Front dual zone A-C, Heated door mirrors, Remote Keyless Entry, and Remote keyless entry. Dont waste your chance at purchasing this great-looking 2006 GMC Sierra 1500. J.D. Power and Associates gave the 2006 Sierra 1500 4.5 out of 5 Power Circles for Overall Initial Quality. This truck is nicely equipped with features such as Heavy-Duty Handling-Trailering Suspension Package, Vortec 5.3L V8 SPI, 4-Speed Automatic with Overdrive, 4WD, ABS brakes, Front dual zone A-C, Heated door mirrors, Remote Keyless Entry, Remote keyless entry, 3.42 Rear Axle Ratio, 6 Speakers, Air Conditioning, AM-FM radio, Auto-dimming Rear-View mirror, Black Leather-Wrapped Steering Wheel Rim, Bodyside moldings, Bright Bodyside Moldings, Bumpers: chrome, CD player, Chrome Grille Surround, Delay-off headlights, Driver door bin, Dual front impact airbags, Electric Rear-Window Defogger, Electronic AutoTrac Transfer Case, Electronic Cruise Control w-Set And Resume Speed, Front anti-roll bar, Front fog lights, Front Halogen Fog Lamps, Front reading lights, Front wheel independent suspension, Fully automatic headlights, Illuminated entry, Leather steering wheel, Mini Overhead Console w-Map Lights, Outside temperature display, Overhead console, Panic alarm, Passenger door bin, Passenger vanity mirror, Power Door Locks, Power door mirrors, Power steering, Power windows, Power Windows w-Driver And Passenger Express-Down, Radio data system, Rear Chrome Step Bumper w-Pad, Rear seat center armrest, Rear step bumper, Rear window defroster, Security system, Solar-Ray Deep Tinted Glass, Speed control, Split folding rear seat, Tachometer, Tilt steering wheel, Variably intermittent wipers, Voltmeter, and Weather band radio. So go ahead and feel free to flex your muscle in this Sierra 1500. It will go from 0-60 in just about the same time itll take you to catch your breath.