At a Glance
The Pontiac Bonneville has 0 identified common problems across 9 generations (1957–2005) and suspension the most common problem category. Based on 375 MOT tests from DVSA data.
Problems are patterns in the DVSA data that occur significantly more often on a specific model than the UK average — confirmed at 99% statistical confidence. Read our DVSA MOT data methodology →
Below: generation-by-generation comparison of Pontiac Bonneville common problems, MOT failure types, and pass-rate data drawn from DVSA records. Click any generation to see fuel- and engine-specific fault patterns, mileage-banded repair guidance, and the most common MOT failures testers record.
MOT Tests & Failures by Generation
Pontiac Bonneville generations by MOT tests, failures, and identified problems from DVSA data
Hover over each bar for a full breakdown. Tap any bar to view that generation's problems.
Showing total MOT tests, failures, and known problems per make. Hover over each bar for a full breakdown.
Tell Us About Your Problem
Help other Pontiac Bonneville owners — report a problem and we'll add it to the database
Tell Us About Your Problem
Help other Pontiac Bonneville owners — report a problem and we'll add it to the database
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Browse Pontiac Bonneville Generations
Select a generation to see its specific problems, MOT failures and advisories
First Generation
Most common MOT failure: Front suspension joint worn
Second Generation
Most common MOT failure: Brake performance below minimum
Third Generation
Most common MOT failure: Rear lamp not working
Fourth Generation
Fifth Generation
Most common MOT failure: Brake performance below minimum
Sixth Generation
Most common MOT failure: Brake hydraulic component worn
Seventh Generation
Most common MOT failure: Suspension component mounting corroded
Eighth Generation
Most common MOT failure: Brake hydraulic component worn
Ninth Generation
Most common MOT failure: Front lamp not working
Most Common Pontiac Bonneville MOT Failures
Every reason Pontiac Bonneville vehicles fail their MOT, ranked by frequency. Select an individual year to see only that year’s failures, or stay on ‘All time’ for the combined picture across our 20 years of DVSA data. Scroll inside the table for the full list.
| # | Failure | % of failures |
|---|---|---|
| 1 | Brake hydraulic component worn | 9.20% |
| 2 | Brake performance below minimum | 8.31% |
| 3 | Windscreen washer not working | 5.04% |
| 4 | Stop lamp not working | 4.75% |
| 5 | Rear lamp not working | 4.15% |
| 6 | Front lamp not working | 3.86% |
| 7 | Wiper blades deteriorated | 3.86% |
| 8 | Exhaust system fault | 3.56% |
| 9 | Suspension mounting corroded | 3.56% |
| 10 | Headlamp aim defect | 3.56% |
| 11 | Indicator fault | 3.26% |
| 12 | Shock absorber worn or leaking | 3.26% |
| 13 | Fog lamp not working | 2.67% |
| 14 | Front suspension joint worn | 2.67% |
| 15 | Tyre condition | 2.67% |
| 16 | Horn not working | 2.37% |
| 17 | Tyre tread depth below limit | 2.37% |
| 18 | Suspension joint or bush worn | 2.37% |
| 19 | Number plate lamp not working | 2.08% |
| 20 | Spring mounting corroded | 2.08% |
| 21 | Driveshaft fault | 1.48% |
| 22 | Front suspension fault | 1.48% |
| 23 | Parking brake condition | 1.48% |
| 24 | Seat belt condition | 1.48% |
| 25 | Body corrosion or damage | 1.19% |
| 26 | Fuel pipe corroded or damaged | 1.19% |
| 27 | Power steering pipe or hose leaking | 1.19% |
| 28 | Steering arm worn | 1.19% |
| 29 | Track rod end worn | 1.19% |
| 30 | Battery loose or leaking | 0.89% |
| 31 | Brake caliper fault | 0.89% |
| 32 | Brake disc or drum worn | 0.89% |
| 33 | Fuel hose damaged or leaking | 0.89% |
| 34 | Electrical switch fault | 0.59% |
| 35 | Mirror damaged or missing | 0.59% |
| 36 | Rear suspension fault | 0.59% |
| 37 | Steering free play excessive | 0.59% |
| 38 | Subframe mounting corroded | 0.59% |
| 39 | ABS fault | 0.30% |
| 40 | Brake fluid leak | 0.30% |
| 41 | Brake pads or linings worn | 0.30% |
| 42 | Brake pedal movement restricted | 0.30% |
| 43 | Chassis condition | 0.30% |
| 44 | Coil spring broken or corroded | 0.30% |
| 45 | Dashboard warning lamp fault | 0.30% |
| 46 | Drag link end worn | 0.30% |
| 47 | Exhaust emissions above threshold (non-catalyst) | 0.30% |
| 48 | Handbrake cable fault | 0.30% |
| 49 | Power steering pump fault | 0.30% |
| 50 | Radius arm worn or corroded | 0.30% |
| 51 | Steering operation fault | 0.30% |
| 52 | Steering rack fault | 0.30% |
| 53 | Subframe corrosion or damage | 0.30% |
| 54 | Suspension arm worn or corroded | 0.30% |
| 55 | Suspension unit fault | 0.30% |
| 56 | Tyre size or type not matched | 0.30% |
| 57 | Windscreen damage affecting view | 0.30% |
| 58 | Steering coupling worn | 0.30% |
Showing all 58 reasons — scroll inside the table for the full list.
Pontiac Bonneville MOT Failures by Category
Total MOT failure occurrences for the Pontiac Bonneville, grouped by category. Same data as the failures table above — just sliced by category instead of fault title. Hover a slice for the top failures in each category.
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Frequently Asked Questions
What are the most common Pontiac Bonneville problems?
Based on analysis of 375 Pontiac Bonneville MOT tests from DVSA data, we have 0 identified common problems across 9 generations. Suspension is the most common problem category.
Which Pontiac Bonneville generation has the most problems?
We haven't identified significant problem patterns specific to any single generation of the Pontiac Bonneville yet — either this is a well-engineered model across all its generations, or the sample size per generation is still small. Check individual generation pages for MOT failure and advisory breakdowns.
How is this data calculated?
We analyse anonymised DVSA MOT test records under the Open Government Licence. An issue is classified as a "Common Problem" when it occurs significantly more often on a specific model than the UK average, confirmed at 99% statistical confidence. Read the full methodology page for details.
Can I report a problem with my Pontiac Bonneville?
Yes — use the "Tell Us About Your Problem" form on this page. Your report helps other Pontiac Bonneville owners spot problems early. All submissions are reviewed before being added to the public database.
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