Standout Trims
1999 HIGHLIGHTS
Full History Report
Buying a 1999 GMC Sonoma?
1 recall has been issued for this model year. Check its history before you buy.
A vehicle history report shows accidents, ownership history, and service records.
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Trim Levels
ALL 1999 GMC SONOMA TRIMS
| Trim | Body | Engine | MPG | HP | Seats | MSRP | Score | |
|---|---|---|---|---|---|---|---|---|
| SLS SportTop Rated | Truck (Regular Cab) | 2.2L | 23 | 120 | — | — | MyCar Score™66.8 | Look Up VIN |
| SL | Truck (Regular Cab) | 2.2L | 23 | 120 | — | — | MyCar Score™66.8 | Look Up VIN |
| SL | Truck (Regular Cab) | 2.2L | 23 | 120 | — | — | MyCar Score™66.8 | Look Up VIN |
| SLE | Truck (Regular Cab) | 2.2L | 23 | 120 | — | — | MyCar Score™66.8 | Look Up VIN |
| SLS Sport | Truck (Regular Cab) | 2.2L | 23 | 120 | — | — | MyCar Score™66.8 | Look Up VIN |
| SLE | Truck (Extended Cab) | 2.2L | 23 | 120 | — | — | MyCar Score™66.6 | Look Up VIN |
| SLS Sport | Truck (Extended Cab) | 2.2L | 23 | 120 | — | — | MyCar Score™66.6 | Look Up VIN |
| SL | Truck (Regular Cab) | 4.3L | 17 | 180 | — | — | MyCar Score™66 | Look Up VIN |
| SLE | Truck (Regular Cab) | 4.3L | 17 | 180 | — | — | MyCar Score™66 | Look Up VIN |
| SLS Sport | Truck (Regular Cab) | 4.3L | 17 | 180 | — | — | MyCar Score™66 | Look Up VIN |
| SL | Truck (Regular Cab) | 4.3L | 17 | 180 | — | — | MyCar Score™65.9 | Look Up VIN |
| SLS Sport | Truck (Regular Cab) | 4.3L | 17 | 180 | — | — | MyCar Score™65.9 | Look Up VIN |
| SLS Sport | Truck (Extended Cab) | 4.3L | 17 | 180 | — | — | MyCar Score™65.8 | Look Up VIN |
| SLE | Truck (Extended Cab) | 4.3L | 17 | 180 | — | — | MyCar Score™65.8 | Look Up VIN |
SLS Sport
Top RatedBody
Truck (Regular Cab)
MPG
23
HP
120
Drive
rear wheel drive
At a Glance
KEY SPECS
Body Type
Truck (Regular Cab), Truck (Extended Cab)
MPG Range
17–23 MPG
HP Range
120–180 HP
Fuel Type
regular unleaded
Drive Type
rear wheel drive
Towing
2,000 lbs
Dimensions & Comfort
SPACE & COMFORT
Based on the top-rated 1999 Sonoma trim.
Exterior Dimensions
Length
190.6 in
Width
67.9 in
Height
62 in
Wheelbase
108.3 in
Interior Dimensions
Front Headroom
39.5 in
Front Legroom
42.4 in
Cargo & Capacity
Towing
2,000 lbs
Curb Weight
3,028 lbs
Safety & Warranty
PROTECTION & COVERAGE
Safety Ratings
1999 GMC Sonoma Extended Cab
NHTSA Overall
Not tested by NHTSAFrontal Crash
Not tested by NHTSASide Crash
Not tested by NHTSASide Pole
Not tested by NHTSARollover
Not tested by NHTSAOpen Recalls
1 recall
Source: NHTSA New Car Assessment Program. nhtsa.gov/ratings
Family & Safety
IS THIS A GOOD FAMILY CAR?
Car Seat Usability
Always have car seat installation checked by a certified technician. Find an inspection station near you →
LATCH System
LATCH (Lower Anchors and Tethers for Children) is required on all US vehicles from 2003 onward.
Check owner's manual for LATCH anchor availability.
Related Gear
Common Questions
1999 GMC SONOMA FAQ
How many recalls does a 1999 GMC Sonoma have?▾
The 1999 GMC Sonoma has 1 recall on record with NHTSA. Always verify current recall status at nhtsa.gov before purchasing.
What is the fuel economy of a 1999 GMC Sonoma?▾
The 1999 GMC Sonoma gets 17–23 MPG combined depending on trim level and drivetrain configuration.
What is the best 1999 GMC Sonoma trim to buy used?▾
Based on MyCar Score™ ratings, the SLS Sport trim scores highest at 66.8 out of 100, balancing value, fuel economy, and specifications.
Is the 1999 GMC Sonoma a good used car?▾
The 1999 GMC Sonoma has an average MyCar Score™ of 66 out of 100. MyCar Score™ weighs NHTSA safety ratings, recall history, fuel economy, and value. This is a competitive score for the segment.
Other Sonoma Years
Other GMC Models