1999 GMC Sierra 2500
6 trims · 18 configurations · Truck (Regular Cab), Truck (Extended Cab)
Starting MSRP
$0
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Pricing
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 HD SL
Total price (HD SL MSRP)
$0
Typical monthly
$0/mo
Avg. APR
7.00%
60-month loan estimate for good credit (rates as of 2026-08-23). Not a credit offer; actual APR varies by lender, credit, and dealer.
Open loan calculatorCompare 1999 GMC Sierra 2500 trims
HD SL
5 configurations
- MSRP
- $0
- Fuel economy (city/hwy)
- —
- Horsepower
- 300 hp
- Torque
- 355 lb-ft
- Engine
- 6L V8 gas
- Seating
- —
- Drivetrain
- RWD
- Cargo (cu ft)
- —
- Max towing
- 7,500 lbs
HD SLE
5 configurations
- MSRP
- $0
- Fuel economy (city/hwy)
- —
- Horsepower
- 300 hp
- Torque
- 355 lb-ft
- Engine
- 6L V8 gas
- Seating
- —
- Drivetrain
- RWD
- Cargo (cu ft)
- —
- Max towing
- 7,500 lbs
HD SLT
3 configurations
- MSRP
- $0
- Fuel economy (city/hwy)
- 11/15
- Horsepower
- 300 hp
- Torque
- 355 lb-ft
- Engine
- 6L V8 gas
- Seating
- —
- Drivetrain
- RWD
- Cargo (cu ft)
- —
- Max towing
- 7,500 lbs
SL
2 configurations
- MSRP
- $0
- Fuel economy (city/hwy)
- 14/18
- Horsepower
- 270 hp
- Torque
- 315 lb-ft
- Engine
- 5.3L V8 gas
- Seating
- —
- Drivetrain
- RWD
- Cargo (cu ft)
- —
- Max towing
- 6,500 lbs
SLE
2 configurations
- MSRP
- $0
- Fuel economy (city/hwy)
- 14/18
- Horsepower
- 270 hp
- Torque
- 315 lb-ft
- Engine
- 5.3L V8 gas
- Seating
- —
- Drivetrain
- RWD
- Cargo (cu ft)
- —
- Max towing
- 6,500 lbs
SLT
- MSRP
- $0
- Fuel economy (city/hwy)
- 14/18
- Horsepower
- 270 hp
- Torque
- 315 lb-ft
- Engine
- 5.3L V8 gas
- Seating
- —
- Drivetrain
- RWD
- Cargo (cu ft)
- —
- Max towing
- 6,500 lbs
| Spec | HD SL5 configurations | HD SLE5 configurations | HD SLT3 configurations | SL2 configurations | SLE2 configurations | SLT |
|---|---|---|---|---|---|---|
| MSRP | $0 | $0 | $0 | $0 | $0 | $0 |
| Fuel economy (city/hwy) | — | — | 11/15 | 14/18 | 14/18 | 14/18 |
| Horsepower | 300 hp | 300 hp | 300 hp | 270 hp | 270 hp | 270 hp |
| Torque | 355 lb-ft | 355 lb-ft | 355 lb-ft | 315 lb-ft | 315 lb-ft | 315 lb-ft |
| Engine | 6L V8 gas | 6L V8 gas | 6L V8 gas | 5.3L V8 gas | 5.3L V8 gas | 5.3L V8 gas |
| Seating | — | — | — | — | — | — |
| Drivetrain | RWD | RWD | RWD | RWD | RWD | RWD |
| Cargo (cu ft) | — | — | — | — | — | — |
| Max towing | 7,500 lbs | 7,500 lbs | 7,500 lbs | 6,500 lbs | 6,500 lbs | 6,500 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
- HD SLgasHD SLEgasHD SLTgasSLgasSLEgasSLTgas
- Fuel type
- HD SLregular unleadedHD SLEregular unleadedHD SLTregular unleadedSLregular unleadedSLEregular unleadedSLTregular unleaded
- Cylinders
- HD SLV8HD SLEV8HD SLTV8SLV8SLEV8SLTV8
- Displacement
- HD SL6 LHD SLE6 LHD SLT6 LSL5.3 LSLE5.3 LSLT5.3 L
- Horsepower
- HD SL300 hpHD SLE300 hpHD SLT300 hpSL270 hpSLE270 hpSLT270 hp
- Torque
- HD SL355 lb-ftHD SLE355 lb-ftHD SLT355 lb-ftSL315 lb-ftSLE315 lb-ftSLT315 lb-ft
- Transmission
- HD SL5-speed manualHD SLE5-speed manualHD SLT4-speed automaticSL—SLE—SLT4-speed automatic
- Drivetrain
- HD SLrear wheel driveHD SLErear wheel driveHD SLTrear wheel driveSLrear wheel driveSLErear wheel driveSLTrear wheel drive
Dimensions
- Body type
- HD SLTruck (Regular Cab)HD SLETruck (Regular Cab)HD SLTTruck (Extended Cab)SLTruck (Regular Cab)SLETruck (Regular Cab)SLTTruck (Extended Cab)
- Doors
- HD SL2HD SLE2HD SLT3SL2SLE2SLT3
- Length
- HD SL221.9 inHD SLE221.9 inHD SLT246.4 inSL221.9 inSLE221.9 inSLT227.5 in
- Width
- HD SL78.5 inHD SLE78.5 inHD SLT78.5 inSL78.5 inSLE78.5 inSLT78.5 in
- Height
- HD SL71 inHD SLE71 inHD SLT70.8 inSL71 inSLE71 inSLT71.2 in
- Wheelbase
- HD SL133 inHD SLE133 inHD SLT157.5 inSL133 inSLE133 inSLT143.5 in
Capacity & weight
- Max towing
- HD SL7,500 lbsHD SLE7,500 lbsHD SLT7,500 lbsSL6,500 lbsSLE6,500 lbsSLT6,500 lbs
- Max payload
- HD SL2,614 lbsHD SLE2,614 lbsHD SLT1,883 lbsSL2,614 lbsSLE2,614 lbsSLT2,434 lbs
- Curb weight
- HD SL4,586 lbsHD SLE4,586 lbsHD SLT—SL4,586 lbsSLE4,586 lbsSLT—
- Fuel tank
- HD SL34 galHD SLE34 galHD SLT34 galSL34 galSLE34 galSLT26 gal
Fuel economy & EV
- Combined MPG
- HD SL—HD SLE—HD SLT12SL15SLE15SLT15
- City MPG
- HD SL—HD SLE—HD SLT11SL14SLE14SLT14
- Highway MPG
- HD SL—HD SLE—HD SLT15SL18SLE18SLT18
| Spec | HD SL | HD SLE | HD SLT | SL | SLE | SLT |
|---|---|---|---|---|---|---|
| Engine & drivetrain | ||||||
| Engine type | gas | gas | gas | gas | gas | gas |
| Fuel type | regular unleaded | regular unleaded | regular unleaded | regular unleaded | regular unleaded | regular unleaded |
| Cylinders | V8 | V8 | V8 | V8 | V8 | V8 |
| Displacement | 6 L | 6 L | 6 L | 5.3 L | 5.3 L | 5.3 L |
| Horsepower | 300 hp | 300 hp | 300 hp | 270 hp | 270 hp | 270 hp |
| Torque | 355 lb-ft | 355 lb-ft | 355 lb-ft | 315 lb-ft | 315 lb-ft | 315 lb-ft |
| Transmission | 5-speed manual | 5-speed manual | 4-speed automatic | — | — | 4-speed automatic |
| Drivetrain | rear wheel drive | rear wheel drive | rear wheel drive | rear wheel drive | rear wheel drive | rear wheel drive |
| Dimensions | ||||||
| Body type | Truck (Regular Cab) | Truck (Regular Cab) | Truck (Extended Cab) | Truck (Regular Cab) | Truck (Regular Cab) | Truck (Extended Cab) |
| Doors | 2 | 2 | 3 | 2 | 2 | 3 |
| Length | 221.9 in | 221.9 in | 246.4 in | 221.9 in | 221.9 in | 227.5 in |
| Width | 78.5 in | 78.5 in | 78.5 in | 78.5 in | 78.5 in | 78.5 in |
| Height | 71 in | 71 in | 70.8 in | 71 in | 71 in | 71.2 in |
| Wheelbase | 133 in | 133 in | 157.5 in | 133 in | 133 in | 143.5 in |
| Capacity & weight | ||||||
| Max towing | 7,500 lbs | 7,500 lbs | 7,500 lbs | 6,500 lbs | 6,500 lbs | 6,500 lbs |
| Max payload | 2,614 lbs | 2,614 lbs | 1,883 lbs | 2,614 lbs | 2,614 lbs | 2,434 lbs |
| Curb weight | 4,586 lbs | 4,586 lbs | — | 4,586 lbs | 4,586 lbs | — |
| Fuel tank | 34 gal | 34 gal | 34 gal | 34 gal | 34 gal | 26 gal |
| Fuel economy & EV | ||||||
| Combined MPG | — | — | 12 | 15 | 15 | 15 |
| City MPG | — | — | 11 | 14 | 14 | 14 |
| Highway MPG | — | — | 15 | 18 | 18 | 18 |
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1999 GMC Sierra 2500 FAQ
- How much does the 1999 GMC Sierra 2500 cost?
- The 1999 GMC Sierra 2500 has a starting MSRP of $0. Trim pricing includes HD SL from $0; HD SLE from $0; HD SLT from $0; SL from $0; SLE from $0; SLT from $0.
- What is the fuel economy of the 1999 GMC Sierra 2500?
- The 1999 GMC Sierra 2500 achieves up to 15 MPG combined (EPA estimate), depending on trim and configuration.
- How much can the 1999 GMC Sierra 2500 tow?
- The 1999 GMC Sierra 2500 has a maximum towing capacity of up to 8,000 pounds, depending on trim and equipment.
- How many trims does the 1999 GMC Sierra 2500 come in?
- The 1999 GMC Sierra 2500 is available in 6 trims (18 total configurations) across Truck (Regular Cab) and Truck (Extended Cab) body styles with rear wheel drive, four wheel drive.