2003 GMC SIERRA PDF Owner's Manuals
Frequently Asked Questions
The GMC Sierra 2003 has a 5.3L V8 engine.
The GMC Sierra 2003 has an estimated fuel economy of 15 mpg in the city and 20 mpg on the highway.
The GMC Sierra 2003 has a towing capacity of up to 8,100 lbs.
The GMC Sierra 2003 has a payload capacity of up to 1,890 lbs.
The GMC Sierra 2003 has a 4-speed automatic transmission.
The GMC Sierra 2003 has a rear-wheel drivetrain.
The GMC Sierra 2003 has 4-wheel disc brakes.
The GMC Sierra 2003 has a solid axle suspension.
The GMC Sierra 2003 uses regular unleaded gasoline.
The GMC Sierra 2003 has a wheelbase of 143.5 inches.
The GMC Sierra 2003 has a curb weight of 4,717 lbs.
The GMC Sierra 2003 has a ground clearance of 8.2 inches.