Worst 1998 Pontiac Bonneville Problems
Top 3 most-reported issues with average mileage at failure.
Engine And Engine Cooling:Engine:Gasoline
Engine And Engine Cooling:Exhaust System:Manifold/Header/Muffler/Tail Pipe
Engine & Cooling
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All Problems by Category
Every NHTSA complaint category for the 1998 Pontiac Bonneville.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Engine And Engine Cooling:Engine:Gasoline | 52 | — | 20 | 73,751 mi | |
| Engine And Engine Cooling:Exhaust System:Manifold/Header/Muffler/Tail Pipe | 47 | — | 3 | 70,859 mi | |
| Engine & Cooling | 45 | — | — | 67,571 mi | |
| Engine And Engine Cooling:Engine | 34 | — | 2 | 72,517 mi | |
| Engine And Engine Cooling:Cooling System | 25 | 1 | 1 | 66,742 mi | |
| Fuel System, Gasoline:Delivery | 16 | 1 | 3 | 63,722 mi | |
| Fuel System, Gasoline:Carburetor System | 11 | — | 2 | — | |
| Automatic Transmission | 8 | 1 | — | 64,257 mi | |
| Electrical System:Alternator/Generator/Regulator | 6 | — | 1 | 61,513 mi | |
| Electrical System:Ignition | 6 | — | 1 | 48,256 mi | |
| Engine Problems | 6 | — | 2 | 54,376 mi | |
| Unintended Acceleration | 6 | 1 | — | 54,723 mi | |
| Electrical Faults | 4 | — | 3 | — | |
| Electrical System:Horn | 4 | 1 | — | — | |
| Electrical System:Starter Assembly | 4 | — | — | — | |
| Exterior Lighting:Headlights | 4 | — | — | — | |
| Gasoline Fuel System | 4 | — | — | — | |
| Airbags | 3 | 2 | — | — | |
| Electrical System:Ignition:Module | 3 | — | — | — | |
| Engine And Engine Cooling:Cooling System:Radiator Assembly | 3 | — | — | — | |
| Engine And Engine Cooling:Exhaust System | 3 | — | — | — | |
| Brakes | 3 | — | — | — | |
| Steering Defects | 3 | 1 | — | — | |
| Visibility:Windshield Wiper/Washer | 3 | — | — | — | |
| Electrical System:Wiring:Interior/Under Dash | 2 | — | 1 | — | |
| Fuel System, Gasoline:Fuel Injection System | 2 | — | — | — | |
| Power Train:Axle Assembly | 2 | — | — | — | |
| Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip | 2 | — | — | — | |
| Steering:Hydraulic Power Assist:Pump | 2 | — | — | — |
Search Owner Complaints
Read what owners actually reported to NHTSA for the 1998 Pontiac Bonneville. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
Other Pontiac Bonneville Years
1998 Pontiac Bonneville — FAQ
Answers based on real NHTSA complaint and recall data for this specific model year.
Is the 1998 Pontiac Bonneville reliable?
What are common problems with the 1998 Pontiac Bonneville?
At what mileage do problems start on the 1998 Pontiac Bonneville?
How safe is the 1998 Pontiac Bonneville?
Does the 1998 Pontiac Bonneville have any recalls?
Should I buy a 1998 Pontiac Bonneville?
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.
Wider context: See the full Pontiac Bonneville reliability report with year-by-year comparison and generation analysis.
Check Your Specific 1998 Pontiac Bonneville
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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