Complaints
78
Crashes
6
Fires
3
Injuries
5
Fatalities
—
Recalls
0
Worst 1999 Gmc Sonoma Problems
Top 3 most-reported issues with average mileage at failure.
#16 complaints
SEATS:FRONT ASSEMBLY:RECLINER
Avg mileage:55,000 mi
#24 complaints
AIR BAGS:FRONTAL
Avg mileage:42,700 mi
Crash-related:4
#34 complaints
POWER TRAIN:AUTOMATIC TRANSMISSION
Avg mileage:36,489 mi
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All Problems by Category
Every NHTSA complaint category for the 1999 Gmc Sonoma.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| SEATS:FRONT ASSEMBLY:RECLINER | 6 | — | — | 55,000 mi | |
| AIR BAGS:FRONTAL | 4 | 4 | — | 42,700 mi | |
| POWER TRAIN:AUTOMATIC TRANSMISSION | 4 | — | — | 36,489 mi | |
| SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP | 4 | 1 | 1 | — | |
| STRUCTURE:BODY:TAILGATE:HINGE AND ATTACHMENTS | 4 | — | — | 50,667 mi | |
| FUEL SYSTEM, GASOLINE | 3 | — | — | 37,500 mi | |
| UNKNOWN OR OTHER | 3 | — | — | 47,000 mi | |
| VEHICLE SPEED CONTROL | 3 | — | — | — | |
| AIR BAGS | 2 | 1 | — | 160,000 mi | |
| ENGINE AND ENGINE COOLING | 2 | — | — | 63,000 mi | |
| EXTERIOR LIGHTING:HEADLIGHTS | 2 | — | — | — | |
| SEAT BELTS:FRONT:RETRACTOR | 2 | — | — | — | |
| SEATS | 2 | — | — | — | |
| SERVICE BRAKES | 2 | — | — | 132,500 mi | |
| SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS | 2 | — | — | — | |
| STRUCTURE:BODY:BUMPERS | 2 | — | — | — | |
| ELECTRICAL SYSTEM | 1 | — | — | 156,000 mi | |
| ELECTRICAL SYSTEM:IGNITION:MODULE | 1 | — | — | — | |
| ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD | 1 | — | 1 | — | |
| ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS | 1 | — | — | — | |
| ENGINE AND ENGINE COOLING:COOLING SYSTEM | 1 | — | — | 30,400 mi | |
| ENGINE AND ENGINE COOLING:ENGINE:GASOLINE | 1 | — | 1 | — | |
| EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC. | 1 | — | — | — | |
| EXTERIOR LIGHTING:TURN SIGNAL:SWITCH | 1 | — | — | — | |
| POWER TRAIN | 1 | — | — | 47,000 mi | |
| POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT | 1 | — | — | — | |
| POWER TRAIN:CLUTCH ASSEMBLY | 1 | — | — | — | |
| POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT | 1 | — | — | 51,000 mi | |
| SEAT BELTS:FRONT:ANCHORAGE | 1 | — | — | — | |
| SEATS:FRONT ASSEMBLY:POWER ADJUST | 1 | — | — | 71,000 mi |
Other Gmc Sonoma Years
Wider context: See the full Gmc Sonoma reliability report with year-by-year comparison and generation analysis.
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