1999 GMC Sonoma
3 trims · 18 configurations · Truck (Regular Cab), Truck (Extended Cab)
Starting MSRP
$0
Key specifications
NHTSA safety
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How much should you pay for the GMC Sonoma? 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 SL
Total price (SL MSRP)
$0
Typical monthly
$0/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 1999 GMC Sonoma trims
SL
4 configurations
- MSRP
- $0
- Fuel economy (city/hwy)
- 20/26
- Horsepower
- 120 hp
- Torque
- 140 lb-ft
- Engine
- 2.2L I4 gas
- Seating
- —
- Drivetrain
- RWD
- Cargo (cu ft)
- —
- Max towing
- 2,000 lbs
SLE
4 configurations
- MSRP
- $0
- Fuel economy (city/hwy)
- 20/26
- Horsepower
- 120 hp
- Torque
- 140 lb-ft
- Engine
- 2.2L I4 gas
- Seating
- —
- Drivetrain
- RWD
- Cargo (cu ft)
- —
- Max towing
- 2,000 lbs
SLS Sport
10 configurations
- MSRP
- $0
- Fuel economy (city/hwy)
- 20/26
- Horsepower
- 120 hp
- Torque
- 140 lb-ft
- Engine
- 2.2L I4 gas
- Seating
- —
- Drivetrain
- RWD
- Cargo (cu ft)
- —
- Max towing
- 2,000 lbs
| Spec | SL4 configurations | SLE4 configurations | SLS Sport10 configurations |
|---|---|---|---|
| MSRP | $0 | $0 | $0 |
| Fuel economy (city/hwy) | 20/26 | 20/26 | 20/26 |
| Horsepower | 120 hp | 120 hp | 120 hp |
| Torque | 140 lb-ft | 140 lb-ft | 140 lb-ft |
| Engine | 2.2L I4 gas | 2.2L I4 gas | 2.2L I4 gas |
| Seating | — | — | — |
| Drivetrain | RWD | RWD | RWD |
| Cargo (cu ft) | — | — | — |
| Max towing | 2,000 lbs | 2,000 lbs | 2,000 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
- SLgasSLEgasSLS Sportgas
- Fuel type
- SLregular unleadedSLEregular unleadedSLS Sportregular unleaded
- Cylinders
- SLI4SLEI4SLS SportI4
- Displacement
- SL2.2 LSLE2.2 LSLS Sport2.2 L
- Horsepower
- SL120 hpSLE120 hpSLS Sport120 hp
- Torque
- SL140 lb-ftSLE140 lb-ftSLS Sport140 lb-ft
- Transmission
- SL5-speed manualSLE5-speed manualSLS Sport5-speed manual
- Drivetrain
- SLrear wheel driveSLErear wheel driveSLS Sportrear wheel drive
Dimensions
- Body type
- SLTruck (Regular Cab)SLETruck (Regular Cab)SLS SportTruck (Extended Cab)
- Doors
- SL2SLE2SLS Sport2
- Length
- SL206.6 inSLE190.6 inSLS Sport205.3 in
- Width
- SL67.9 inSLE67.9 inSLS Sport67.9 in
- Height
- SL62.9 inSLE62 inSLS Sport62.7 in
- Wheelbase
- SL117.9 inSLE108.3 inSLS Sport122.9 in
- Ground clearance
- SL6.7 inSLE7.2 inSLS Sport7.2 in
Capacity & weight
- Max towing
- SL2,000 lbsSLE2,000 lbsSLS Sport2,000 lbs
- Max payload
- SL1,533 lbsSLE1,212 lbsSLS Sport1,358 lbs
- Curb weight
- SL3,090 lbsSLE3,028 lbsSLS Sport3,232 lbs
- Fuel tank
- SL19 galSLE19 galSLS Sport19 gal
Fuel economy & EV
- Combined MPG
- SL23SLE23SLS Sport23
- City MPG
- SL20SLE20SLS Sport20
- Highway MPG
- SL26SLE26SLS Sport26
| Spec | SL | SLE | SLS Sport |
|---|---|---|---|
| Engine & drivetrain | |||
| Engine type | gas | gas | gas |
| Fuel type | regular unleaded | regular unleaded | regular unleaded |
| Cylinders | I4 | I4 | I4 |
| Displacement | 2.2 L | 2.2 L | 2.2 L |
| Horsepower | 120 hp | 120 hp | 120 hp |
| Torque | 140 lb-ft | 140 lb-ft | 140 lb-ft |
| Transmission | 5-speed manual | 5-speed manual | 5-speed manual |
| Drivetrain | rear wheel drive | rear wheel drive | rear wheel drive |
| Dimensions | |||
| Body type | Truck (Regular Cab) | Truck (Regular Cab) | Truck (Extended Cab) |
| Doors | 2 | 2 | 2 |
| Length | 206.6 in | 190.6 in | 205.3 in |
| Width | 67.9 in | 67.9 in | 67.9 in |
| Height | 62.9 in | 62 in | 62.7 in |
| Wheelbase | 117.9 in | 108.3 in | 122.9 in |
| Ground clearance | 6.7 in | 7.2 in | 7.2 in |
| Capacity & weight | |||
| Max towing | 2,000 lbs | 2,000 lbs | 2,000 lbs |
| Max payload | 1,533 lbs | 1,212 lbs | 1,358 lbs |
| Curb weight | 3,090 lbs | 3,028 lbs | 3,232 lbs |
| Fuel tank | 19 gal | 19 gal | 19 gal |
| Fuel economy & EV | |||
| Combined MPG | 23 | 23 | 23 |
| City MPG | 20 | 20 | 20 |
| Highway MPG | 26 | 26 | 26 |