2003 GMC Sierra 3500
2 trims · 10 configurations · Truck (Regular Cab), Truck (Extended Cab), Truck (Crew Cab)
Starting MSRP
$28,712 – $36,550
No live listings right now
Manufacturer specs and trim data below are still available for research. Check back for dealer inventory, or browse other GMC models.
Shop GMC inventoryPricing
How much should you pay for the GMC Sierra 3500? Select a trim to update purchase and lease estimates.
MSRP by trim
Select a trim to update the payment estimates. MSRP is for each trim's base configuration and excludes destination, taxes, and options.
Purchase information
Based on Base
Total price (Base MSRP)
$28,712
Typical monthly
$569/mo
Avg. APR
7.00%
60-month loan estimate for good credit (rates as of 2026-07-11). Not a credit offer; actual APR varies by lender, credit, and dealer.
Open loan calculatorCompare 2003 GMC Sierra 3500 trims
Base
5 configurations
- MSRP
- $28,712 – $34,452
- Fuel economy (city/hwy)
- —
- Horsepower
- 300 hp
- Torque
- 360 lb-ft
- Engine
- 6L V8 gas
- Seating
- 3
- Drivetrain
- 4WD
- Cargo (cu ft)
- —
- Max towing
- 12,000 lbs
SLE
5 configurations
- MSRP
- $30,730 – $36,550
- Fuel economy (city/hwy)
- —
- Horsepower
- 300 hp
- Torque
- 360 lb-ft
- Engine
- 6L V8 gas
- Seating
- 3
- Drivetrain
- 4WD
- Cargo (cu ft)
- —
- Max towing
- 12,000 lbs
| Spec | Base5 configurations | SLE5 configurations |
|---|---|---|
| MSRP | $28,712 – $34,452 | $30,730 – $36,550 |
| Fuel economy (city/hwy) | — | — |
| Horsepower | 300 hp | 300 hp |
| Torque | 360 lb-ft | 360 lb-ft |
| Engine | 6L V8 gas | 6L V8 gas |
| Seating | 3 | 3 |
| Drivetrain | 4WD | 4WD |
| Cargo (cu ft) | — | — |
| Max towing | 12,000 lbs | 12,000 lbs |
Specifications shown for each trim’s base configuration; drivetrain, cab, and box options vary within a trim, and MSRP shows the full range. MSRP excludes destination fees, taxes, and dealer-installed options.
Full specifications
Shown for each trim's base configuration. Drivetrain, cab, and box options within a trim can change dimensions, capacities, and fuel economy.
Engine & drivetrain
- Engine type
- BasegasSLEgas
- Fuel type
- Baseregular unleadedSLEregular unleaded
- Cylinders
- BaseV8SLEV8
- Displacement
- Base6 LSLE6 L
- Horsepower
- Base300 hpSLE300 hp
- Torque
- Base360 lb-ftSLE360 lb-ft
- Transmission
- Base5-speed manualSLE5-speed manual
- Drivetrain
- Basefour wheel driveSLEfour wheel drive
Dimensions
- Body type
- BaseTruck (Regular Cab)SLETruck (Regular Cab)
- Doors
- Base2SLE2
- Seating
- Base3SLE3
- Length
- Base222.1 inSLE222.1 in
- Width
- Base96.1 inSLE96.1 in
- Height
- Base76.2 inSLE76.2 in
- Wheelbase
- Base133 inSLE133 in
- Ground clearance
- Base10.6 inSLE10.6 in
Capacity & weight
- Max towing
- Base12,000 lbsSLE12,000 lbs
- Max payload
- Base5,559 lbsSLE5,559 lbs
- Curb weight
- Base5,841 lbsSLE5,841 lbs
- Fuel tank
- Base34 galSLE34 gal
| Spec | Base | SLE |
|---|---|---|
| Engine & drivetrain | ||
| Engine type | gas | gas |
| Fuel type | regular unleaded | regular unleaded |
| Cylinders | V8 | V8 |
| Displacement | 6 L | 6 L |
| Horsepower | 300 hp | 300 hp |
| Torque | 360 lb-ft | 360 lb-ft |
| Transmission | 5-speed manual | 5-speed manual |
| Drivetrain | four wheel drive | four wheel drive |
| Dimensions | ||
| Body type | Truck (Regular Cab) | Truck (Regular Cab) |
| Doors | 2 | 2 |
| Seating | 3 | 3 |
| Length | 222.1 in | 222.1 in |
| Width | 96.1 in | 96.1 in |
| Height | 76.2 in | 76.2 in |
| Wheelbase | 133 in | 133 in |
| Ground clearance | 10.6 in | 10.6 in |
| Capacity & weight | ||
| Max towing | 12,000 lbs | 12,000 lbs |
| Max payload | 5,559 lbs | 5,559 lbs |
| Curb weight | 5,841 lbs | 5,841 lbs |
| Fuel tank | 34 gal | 34 gal |