Vortec 5.3L V8 SFI, 4-Speed Automatic with Overdrive, and 4WD. Goes over the river and through the woods. Make an all-terrain to-do. Creampuff! This beautiful 2004 GMC Sierra 1500 is not going to disappoint. There you have it, short and sweet! It's the combination of advanced design and precision engineering that makes the Vortec 5.3L V8 SFI engine such an impressive powerplant. It is nicely equipped with features such as Handling/Trailering Heavy Duty Suspension Package, 4-Speed Automatic with Overdrive, 4WD, Vortec 5.3L V8 SFI, 3.73 Rear Axle Ratio, 4-Wheel Disc Brakes, 6 Speakers, ABS brakes, Air Conditioning, Alloy wheels, AM/FM radio, Auto-dimming Rear-View mirror, Bodyside moldings, Bumpers: chrome, CD player, Compass, Delay-off headlights, Driver door bin, Dual front impact airbags, Front anti-roll bar, Front dual zone A/C, Front fog lights, Front reading lights, Front wheel independent suspension, Fully automatic headlights, Heated door mirrors, Illuminated entry, Leather steering wheel, Outside temperature display, Overhead console, Panic alarm, Passenger door bin, Passenger vanity mirror, Power door mirrors, Power steering, Power windows, Radio data system, Rear seat center armrest, Rear step bumper, Rear window defroster, Remote keyless entry, Security system, Speed control, Split folding rear seat, Tachometer, Tilt steering wheel, Variably intermittent wipers, and Voltmeter.