2003 GMC Sierra 2500
3 trims · 5 configurations · Truck (Regular Cab), Truck (Extended Cab)
Starting MSRP
$23,600 – $33,157
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Manufacturer specs and trim data below are still available for research. Check back for dealer inventory, or browse other GMC models.
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How much should you pay for the GMC Sierra 2500? 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 Work Truck
Total price (Work Truck MSRP)
$23,600
Typical monthly
$467/mo
Avg. APR
7.00%
60-month loan estimate for good credit (rates as of 2026-07-12). Not a credit offer; actual APR varies by lender, credit, and dealer.
Open loan calculatorCompare 2003 GMC Sierra 2500 trims
Work Truck
- MSRP
- $23,600
- Fuel economy (city/hwy)
- —
- Horsepower
- 300 hp
- Torque
- 360 lb-ft
- Engine
- 6L V8 gas
- Seating
- 3
- Drivetrain
- RWD
- Cargo (cu ft)
- —
- Max towing
- 10,700 lbs
Base RWD
- MSRP
- $24,150
- Fuel economy (city/hwy)
- —
- Horsepower
- 300 hp
- Torque
- 360 lb-ft
- Engine
- 6L V8 gas
- Seating
- 3
- Drivetrain
- RWD
- Cargo (cu ft)
- —
- Max towing
- 10,700 lbs
Base 4WD
- MSRP
- $30,257
- Fuel economy (city/hwy)
- —
- Horsepower
- 300 hp
- Torque
- 360 lb-ft
- Engine
- 6L V8 gas
- Seating
- 6
- Drivetrain
- 4WD
- Cargo (cu ft)
- —
- Max towing
- 10,200 lbs
SLE RWD
- MSRP
- $26,268
- Fuel economy (city/hwy)
- —
- Horsepower
- 300 hp
- Torque
- 360 lb-ft
- Engine
- 6L V8 gas
- Seating
- 3
- Drivetrain
- RWD
- Cargo (cu ft)
- —
- Max towing
- 10,700 lbs
SLE 4WD
- MSRP
- $33,157
- Fuel economy (city/hwy)
- —
- Horsepower
- 300 hp
- Torque
- 360 lb-ft
- Engine
- 6L V8 gas
- Seating
- 6
- Drivetrain
- 4WD
- Cargo (cu ft)
- —
- Max towing
- 10,200 lbs
| Spec | Work Truck | Base RWD | Base 4WD | SLE RWD | SLE 4WD |
|---|---|---|---|---|---|
| MSRP | $23,600 | $24,150 | $30,257 | $26,268 | $33,157 |
| Fuel economy (city/hwy) | — | — | — | — | — |
| Horsepower | 300 hp | 300 hp | 300 hp | 300 hp | 300 hp |
| Torque | 360 lb-ft | 360 lb-ft | 360 lb-ft | 360 lb-ft | 360 lb-ft |
| Engine | 6L V8 gas | 6L V8 gas | 6L V8 gas | 6L V8 gas | 6L V8 gas |
| Seating | 3 | 3 | 6 | 3 | 6 |
| Drivetrain | RWD | RWD | 4WD | RWD | 4WD |
| Cargo (cu ft) | — | — | — | — | — |
| Max towing | 10,700 lbs | 10,700 lbs | 10,200 lbs | 10,700 lbs | 10,200 lbs |
Manufacturer specifications by trim and drivetrain. Same trim names with different MSRPs are distinct FWD/AWD (or other drivetrain) configurations from the catalog. MSRP excludes destination fees, taxes, and dealer-installed options.
Full specifications
Engine & drivetrain
- Engine type
- Work TruckgasBase RWDgasBase 4WDgasSLE RWDgasSLE 4WDgas
- Fuel type
- Work Truckregular unleadedBase RWDregular unleadedBase 4WDregular unleadedSLE RWDregular unleadedSLE 4WDregular unleaded
- Cylinders
- Work TruckV8Base RWDV8Base 4WDV8SLE RWDV8SLE 4WDV8
- Displacement
- Work Truck6 LBase RWD6 LBase 4WD6 LSLE RWD6 LSLE 4WD6 L
- Horsepower
- Work Truck300 hpBase RWD300 hpBase 4WD300 hpSLE RWD300 hpSLE 4WD300 hp
- Torque
- Work Truck360 lb-ftBase RWD360 lb-ftBase 4WD360 lb-ftSLE RWD360 lb-ftSLE 4WD360 lb-ft
- Transmission
- Work Truck5-speed manualBase RWD5-speed manualBase 4WD4-speed automaticSLE RWD5-speed manualSLE 4WD4-speed automatic
- Drivetrain
- Work Truckrear wheel driveBase RWDrear wheel driveBase 4WDfour wheel driveSLE RWDrear wheel driveSLE 4WDfour wheel drive
Dimensions
- Body type
- Work TruckTruck (Regular Cab)Base RWDTruck (Regular Cab)Base 4WDTruck (Extended Cab)SLE RWDTruck (Regular Cab)SLE 4WDTruck (Extended Cab)
- Doors
- Work Truck2Base RWD2Base 4WD4SLE RWD2SLE 4WD4
- Seating
- Work Truck3Base RWD3Base 4WD6SLE RWD3SLE 4WD6
- Length
- Work Truck222.1 inBase RWD222.1 inBase 4WD227.7 inSLE RWD222.1 inSLE 4WD227.7 in
- Width
- Work Truck78.5 inBase RWD78.5 inBase 4WD78.5 inSLE RWD78.5 inSLE 4WD78.5 in
- Height
- Work Truck74.2 inBase RWD74.2 inBase 4WD74.4 inSLE RWD74.2 inSLE 4WD74.4 in
- Wheelbase
- Work Truck133 inBase RWD133 inBase 4WD143.5 inSLE RWD133 inSLE 4WD143.5 in
- Ground clearance
- Work Truck6.9 inBase RWD6.9 inBase 4WD7.8 inSLE RWD6.9 inSLE 4WD7.8 in
Capacity & weight
- Max towing
- Work Truck10,700 lbsBase RWD10,700 lbsBase 4WD10,200 lbsSLE RWD10,700 lbsSLE 4WD10,200 lbs
- Max payload
- Work Truck3,541 lbsBase RWD3,541 lbsBase 4WD3,076 lbsSLE RWD3,541 lbsSLE 4WD3,076 lbs
- Curb weight
- Work Truck5,059 lbsBase RWD5,059 lbsBase 4WD5,524 lbsSLE RWD5,059 lbsSLE 4WD5,524 lbs
- Fuel tank
- Work Truck34 galBase RWD34 galBase 4WD26 galSLE RWD34 galSLE 4WD26 gal
| Spec | Work Truck | Base RWD | Base 4WD | SLE RWD | SLE 4WD |
|---|---|---|---|---|---|
| Engine & drivetrain | |||||
| Engine type | gas | gas | gas | gas | gas |
| Fuel type | regular unleaded | regular unleaded | regular unleaded | regular unleaded | regular unleaded |
| Cylinders | V8 | V8 | V8 | V8 | V8 |
| Displacement | 6 L | 6 L | 6 L | 6 L | 6 L |
| Horsepower | 300 hp | 300 hp | 300 hp | 300 hp | 300 hp |
| Torque | 360 lb-ft | 360 lb-ft | 360 lb-ft | 360 lb-ft | 360 lb-ft |
| Transmission | 5-speed manual | 5-speed manual | 4-speed automatic | 5-speed manual | 4-speed automatic |
| Drivetrain | rear wheel drive | rear wheel drive | four wheel drive | rear wheel drive | four wheel drive |
| Dimensions | |||||
| Body type | Truck (Regular Cab) | Truck (Regular Cab) | Truck (Extended Cab) | Truck (Regular Cab) | Truck (Extended Cab) |
| Doors | 2 | 2 | 4 | 2 | 4 |
| Seating | 3 | 3 | 6 | 3 | 6 |
| Length | 222.1 in | 222.1 in | 227.7 in | 222.1 in | 227.7 in |
| Width | 78.5 in | 78.5 in | 78.5 in | 78.5 in | 78.5 in |
| Height | 74.2 in | 74.2 in | 74.4 in | 74.2 in | 74.4 in |
| Wheelbase | 133 in | 133 in | 143.5 in | 133 in | 143.5 in |
| Ground clearance | 6.9 in | 6.9 in | 7.8 in | 6.9 in | 7.8 in |
| Capacity & weight | |||||
| Max towing | 10,700 lbs | 10,700 lbs | 10,200 lbs | 10,700 lbs | 10,200 lbs |
| Max payload | 3,541 lbs | 3,541 lbs | 3,076 lbs | 3,541 lbs | 3,076 lbs |
| Curb weight | 5,059 lbs | 5,059 lbs | 5,524 lbs | 5,059 lbs | 5,524 lbs |
| Fuel tank | 34 gal | 34 gal | 26 gal | 34 gal | 26 gal |
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