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2003 GMC Sierra 3500
- Edmunds Review
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What Edmunds Says
One of the biggest, most powerful pickups you can drive without going to trucking school.
Pros
Powerful drivetrains, roomy interiors, numerous available amenities.
Cons
Spotty build quality, cheap interior materials.
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Available Regular Cab Models
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View photosAvailable Extended Cab Models
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Available Crew Cab Models
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SLE
- 6.0L V8 engine
- Automatic transmission
- 4-wheel drive
- DVD player (Optional)
Published: 10/02/2003 Updated: 10/02/2009
What's New for 2003
The Sierra gets a revised look this year that includes a new front fascia, revised side moldings and optional multifunction, fold-away mirrors. On the inside, GMC has added new seats, a more comprehensive driver information center, a redesigned instrument panel and optional dual-zone climate control and satellite steering wheel controls. On the hardware side, the standard 6.0-liter V8 gets electronic throttle control as well as the ability to run exclusively on compressed natural gas (CNG) or a mix of CNG and gasoline. Other upgrades include an improved Insta-Trac part-time four-wheel-drive system for reduced service costs, a more efficient starter for the 8.1-liter V8 and a revised headlight switch that allows drivers to turn off the daytime running lamps.
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