Complaints
721
Crashes
58
Fires
2
Injuries
36
Fatalities
1
Recalls
0
Worst 1999 Gmc Sierra Problems
Top 3 most-reported issues with average mileage at failure.
#1197 complaints
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP
Avg mileage:63,978 mi
Crash-related:27
#233 complaints
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE
Avg mileage:52,440 mi
#329 complaints
SERVICE BRAKES, HYDRAULIC
Avg mileage:69,778 mi
Crash-related:1
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All Problems by Category
Every NHTSA complaint category for the 1999 Gmc Sierra.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP | 197 | 27 | — | 63,978 mi | |
| SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE | 33 | — | — | 52,440 mi | |
| SERVICE BRAKES, HYDRAULIC | 29 | 1 | — | 69,778 mi | |
| SERVICE BRAKES | 25 | 2 | — | 125,220 mi | |
| STRUCTURE:BODY:TAILGATE:HINGE AND ATTACHMENTS | 21 | — | — | 83,576 mi | |
| SEATS | 20 | — | — | 75,287 mi | |
| TIRES | 20 | 2 | — | 40,133 mi | |
| VEHICLE SPEED CONTROL:ACCELERATOR PEDAL | 20 | 1 | — | 22,125 mi | |
| POWER TRAIN:AUTOMATIC TRANSMISSION | 19 | 2 | — | 55,250 mi | |
| SERVICE BRAKES, AIR:ANTILOCK:CONTROL UNIT/MODULE | 16 | — | — | 55,578 mi | |
| VEHICLE SPEED CONTROL | 16 | — | — | 98,500 mi | |
| SUSPENSION:FRONT | 14 | — | — | — | |
| SUSPENSION | 13 | — | — | 162,198 mi | |
| TIRES:TREAD/BELT | 11 | — | — | — | |
| AIR BAGS:FRONTAL | 10 | 10 | — | 46,000 mi | |
| UNKNOWN OR OTHER | 9 | — | — | 72,075 mi | |
| FUEL SYSTEM, GASOLINE | 8 | — | — | 74,834 mi | |
| SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:ROTOR | 8 | — | — | 32,000 mi | |
| PARKING BRAKE | 7 | — | — | 97,500 mi | |
| SEAT BELTS:FRONT:RETRACTOR | 7 | 2 | — | 9,000 mi | |
| SERVICE BRAKES, AIR:ANTILOCK | 7 | 2 | — | 70,583 mi | |
| EXTERIOR LIGHTING:HEADLIGHTS | 6 | — | — | — | |
| SEAT BELTS:FRONT:ANCHORAGE | 6 | 1 | — | — | |
| SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS | 6 | 1 | — | 119,469 mi | |
| VISIBILITY:POWER WINDOW DEVICES AND CONTROLS | 6 | — | — | 72,775 mi | |
| ENGINE AND ENGINE COOLING:ENGINE:GASOLINE | 5 | — | — | — | |
| SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS | 5 | 1 | — | — | |
| ENGINE AND ENGINE COOLING | 4 | — | — | 76,036 mi | |
| ENGINE AND ENGINE COOLING:ENGINE | 4 | — | — | 60,967 mi | |
| FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP | 4 | — | — | 59,000 mi |
Other Gmc Sierra Years
Wider context: See the full Gmc Sierra reliability report with year-by-year comparison and generation analysis.
Check Your Specific 1999 Gmc Sierra
Real owner complaints tell you about the model. The VIN tells you about your specific car — accidents, title issues, odometer fraud.
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