2003 GMC Sierra 3500 Extended Cab Specs, Features & Options
Here's everything you need to know about each trim in the 2003 GMC Sierra 3500 Extended Cab lineup. Compare pricing, specs, key features and more.
1 of 3  Sierra 3500 Extended Cab SLT Pickup 4D 8 ft | 2 of 3 Sierra 3500 Extended Cab Pickup 4D 8 ft | 3 of 3 Sierra 3500 Extended Cab SLE Pickup 4D 8 ft | |||
|---|---|---|---|---|---|
| Fair Market Price | $15,595 | $15,827 | $16,070 | ||
| Fuel Type | Diesel | Diesel | Diesel | ||
| Horsepower | 300 @ 3100 RPM | 300 @ 3100 RPM | 300 @ 3100 RPM | ||
| Torque | 520 lb-ft | 520 lb-ft | 520 lb-ft | ||
| Towing Capacity | 12,000 lbs | 12,000 lbs | 12,000 lbs | ||
| Payload | 5,169 pounds | 5,169 pounds | 5,169 pounds | ||
| Body Styles | Pickup | Pickup | Pickup | ||
| Engine | V8, Turbo Diesel, 6.6L | V8, Turbo Diesel, 6.6L | V8, Turbo Diesel, 6.6L | ||
| Curb Weight | 5,951 pounds | 5,951 pounds | 5,951 pounds |
| Emergency & Security Services | Optional | Optional | Optional | ||
| Child Seat Anchors | Standard | Standard | Standard | ||
| Child Door Locks | Standard | Standard | Standard |
| Cruise Control | Optional | Optional | Optional | ||
| Navigation System | Optional | Optional | Optional | ||
| Hands Free Phone | Optional | Optional | Optional |
| Cruise Control | Optional | Optional | Optional |
| Torque | 520 @ 3100 RPM | 520 @ 3100 RPM | 520 @ 3100 RPM |
| Leather Seats | Optional | Optional | Optional | ||
| Dual Power Front Seats | Optional | Optional | Optional | ||
| Power Driver's Seat | Optional | Optional | Optional |
| Power Windows | Optional | Optional | Optional | ||
| Tilt Steering Wheel | Optional | Standard | Optional |
| Alloy Wheels | Optional | Optional | Optional |
| Drivetrain | 4WD | 4WD | 4WD | ||
| Recommended Fuel | Diesel | Diesel | Diesel | ||
| Transmission Type | Automatic | Automatic | Automatic |
| Bed Length | 8 feet | 8 feet | 8 feet | ||
| Curb Weight | 5951 pounds | 5951 pounds | 5951 pounds | ||
| Fuel Capacity | 34 gallons | 34 gallons | 34 gallons | ||
| Front Head Room | 41 inches | 41 inches | 41 inches | ||
| Front Leg Room | 41.3 inches | 41.3 inches | 41.3 inches | ||
| Minimum Ground Clearance | 9.1 inches | 9.1 inches | 9.1 inches | ||
| Overall Length | 246.5 inches | 246.5 inches | 246.5 inches | ||
| Payload Capacity | 5169 pounds | 5169 pounds | 5169 pounds | ||
| Front Shoulder Room | 65.2 inches | 65.2 inches | 65.2 inches | ||
| Truck Bed Volume | 69 feet | 69 feet | 69 feet | ||
| Turning Diameter | 50.7 feet | 50.7 feet | 50.7 feet | ||
| Wheel Base | 157.5 inches | 157.5 inches | 157.5 inches | ||
| Width with mirrors | 96.1 inches | 96.1 inches | 96.1 inches |
FAQs
Does the 2003 GMC Sierra 3500 Extended Cab have a turbo?
Yes, the following 2003 Sierra 3500 Extended Cab trims have turbo engines: SLT Pickup 4D 8 ft with a V8, Turbo Diesel, 6.6L, Pickup 4D 8 ft with a V8, Turbo Diesel, 6.6L, etc. For a more detailed look at the 2003 Sierra 3500 Extended Cab specs, features and options check out Kelley Blue Book's 2003 GMC Sierra 3500 Extended Cab specs page.
Is the GMC Sierra 3500 Extended Cab underpowered?
It depends on your definition of underpowered. All 2003 Sierra 3500 Extended Cab trim variations have 300 horsepower. For a more detailed look at the 2003 Sierra 3500 Extended Cab specs, features and options check out Kelley Blue Book's 2003 GMC Sierra 3500 Extended Cab specs page.
How much horsepower does a 2003 Sierra 3500 Extended Cab have?
All 2003 Sierra 3500 Extended Cab trim variations have 300 horsepower. For a more detailed look at the 2003 Sierra 3500 Extended Cab specs, features and options check out Kelley Blue Book's 2003 GMC Sierra 3500 Extended Cab specs page.