1999 GMC Sonoma
The Verdict
Worst problem area
Body, Seats & Latches
Body, Seats & Latches leads by volume: 15 of 57 complaints (26%) mention it. Complaints mentioning Airbags & Restraints include more reported injuries (3) than those mentioning any other identified area.
Complaints filed fell from 156 in 1998 to 57 in 1999.
Data last changed . Sources: NHTSA complaints and recalls, EPA fuel economy data. Methodology
Cost, Fuel Economy & Complaint History
| Category | 1997 | 1998 | 1999 | 2000 | 2001 | vs. 1999 gas-powered vehicles |
|---|---|---|---|---|---|---|
| Annual fuel cost ($) | 2,700–3,900 | 2,850–3,900 | 2,700–3,900 | 2,700–3,900 | 2,850–4,450 | |
| Combined MPG | 16–23 | 16–22 | 16–23 | 16–23 | 14–22 | |
| City / Highway MPG | 15–20 / 20–27 | 14–20 / 19–26 | 14–20 / 19–26 | 14–20 / 19–26 | 13–19 / 17–25 | |
| CO₂ tailpipe (g/mi) | 386–555 | 404–555 | 386–555 | 386–555 | 404–635 | |
| Complaints filed | 111 | 156 | 57 | 136 | 89 | |
| Recalls issued | 3 | 4 | 1 | 4 | 1 | |
| Crash-involved complaints | 14 | 9 | 6 | 15 | 7 | |
| Fire-involved complaints | 0 | 2 | 1 | 0 | 1 | |
| Injuries reported | 10 | 1 | 5 | 9 | 6 | |
| Deaths reported | 0 | 0 | 0 | 1 | 0 | |
| Configurations compared | 4 | 6 | 6 | 8 | 6 |
Not compared: this database has no vehicle sales or registration figures, so a raw count mostly reflects how many were sold, not how safe the vehicle is.
Common questions
How many recalls does the 1999 GMC Sonoma have?
1 NHTSA recall campaign as of Sep 16, 2026. Check your VIN with NHTSA to see whether one applies to your car.
What is the most common complaint about the 1999 GMC Sonoma?
Body, Seats & Latches: 15 of 57 NHTSA complaints (26%) mention it.
What gas mileage does the 1999 GMC Sonoma get?
EPA rates it 16–23 MPG combined across 6 configurations.
How much does it cost to fuel a 1999 GMC Sonoma?
EPA estimates $2,700–$3,900 a year in fuel costs, using EPA's assumptions.
Similar Vehicles
EPA-Rated Configurations (6)
| Configuration | Transmission | Cylinders | Displacement | Drivetrain | Fuel Type | Vehicle Class | City | Highway | Combined | Annual Fuel Cost | CO₂ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Configuration 1 | Automatic 4-spd | 4 | 2.2L | Rear-Wheel Drive | Regular | Small Pickup Trucks 2WD | 17 mpg | 24 mpg | 19 mpg | $3,300 | 468 g/mi |
| Configuration 2 | Manual 5-spd | 4 | 2.2L | Rear-Wheel Drive | Regular | Small Pickup Trucks 2WD | 20 mpg (high) | 26 mpg (high) | 23 mpg (high) | $2,700 (low) | 386 g/mi (low) |
| Configuration 3 | Automatic 4-spd | 6 | 4.3L | Rear-Wheel Drive | Regular | Small Pickup Trucks 2WD | 15 mpg | 20 mpg | 17 mpg | $3,650 | 523 g/mi |
| Configuration 4 | Manual 5-spd | 6 | 4.3L | Rear-Wheel Drive | Regular | Small Pickup Trucks 2WD | 15 mpg | 21 mpg | 18 mpg | $3,450 | 494 g/mi |
| Configuration 5 | Automatic 4-spd | 6 | 4.3L | 4-Wheel or All-Wheel Drive | Regular | Standard Pickup Trucks 4WD | 14 mpg (low) | 19 mpg (low) | 16 mpg (low) | $3,900 (high) | 555 g/mi (high) |
| Configuration 6 | Manual 5-spd | 6 | 4.3L | 4-Wheel or All-Wheel Drive | Regular | Standard Pickup Trucks 4WD | 15 mpg | 20 mpg | 17 mpg | $3,650 | 523 g/mi |
Complaints by Category
| Category | Complaints | Crash-Involved | Fire-Involved | Injuries | Deaths |
|---|---|---|---|---|---|
| Engine | 4 | 0 | 1 | 0 | 0 |
| Transmission & Drivetrain | 8 | 0 | 0 | 0 | 0 |
| Fuel System | 3 | 0 | 0 | 0 | 0 |
| Electrical | 4 | 0 | 1 | 0 | 0 |
| Brakes | 9 | 1 | 1 | 1 | 0 |
| Steering | 3 | 0 | 0 | 0 | 0 |
| Suspension, Wheels & Tires | 4 | 0 | 0 | 0 | 0 |
| Airbags & Restraints | 9 | 5 | 0 | 3 | 0 |
| Driver Assistance & Speed Control | 3 | 0 | 0 | 0 | 0 |
| Body, Seats & Latches | 15 | 0 | 0 | 1 | 0 |
| Visibility & Lighting | 3 | 0 | 0 | 0 | 0 |
| Other | 3 | 0 | 0 | 0 | 0 |
A complaint that names more than one category is counted in each, so the rows can add up to more than the total number of complaints.
Recalls (1)
FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES · Campaign 07E021000 · Mar 12, 2007
Defect: CERTAIN DELPHI FUEL PRESSURE REGULATORS, P/NOS. FP10020-11B1, FP10026-11B1, AND FP10027-11B1, SOLD AFTER JANUARY 9, 2007, AS AFTERMARKET EQUIPMENT FOR VARIOUS PASSENGER VEHICLES LISTED ABOVE. THE UNIVERSAL PRESSURE REGULATORS (UPR) WERE PRODUCED WITHOUT AN O'RING AND RETAINER.
Consequence: FUEL MAY LEAK, POSSIBLY RESULTING IN A FIRE.
Remedy: DELPHI WILL NOTIFY OWNERS AND REPLACE THE UPR FREE OF CHARGE. THE RECALL BEGAN ON APRIL 23, 2007. OWNERS CAN CONTACT DELPHI AT 877-411-8770.