At a Glance
The Pontiac G6 has 0 identified common problems across 1 generation (2005–2010) and suspension the most common problem category. Based on 160 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 G6 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 G6 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.
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Tell Us About Your Problem
Help other Pontiac G6 owners — report a problem and we'll add it to the database
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Browse Pontiac G6 Generations
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Most Common Pontiac G6 MOT Failures
Every reason Pontiac G6 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 | Indicator fault | 15.30% |
| 2 | Suspension joint or bush worn | 12.57% |
| 3 | Brake performance below minimum | 7.10% |
| 4 | Front lamp not working | 5.46% |
| 5 | Number plate lamp not working | 5.46% |
| 6 | Tyre condition | 5.46% |
| 7 | Track rod end worn | 4.92% |
| 8 | Front suspension joint worn | 3.83% |
| 9 | Parking brake performance below minimum | 3.83% |
| 10 | Wiper blades deteriorated | 3.83% |
| 11 | Shock absorber worn or leaking | 2.73% |
| 12 | Windscreen washer not working | 2.73% |
| 13 | Fog lamp not working | 2.19% |
| 14 | Brake pads or linings worn | 1.64% |
| 15 | Coil spring broken or corroded | 1.64% |
| 16 | Electrical switch fault | 1.64% |
| 17 | Headlamp fault | 1.64% |
| 18 | Spark ignition emissions above threshold | 1.64% |
| 19 | Tyre tread depth below limit | 1.64% |
| 20 | Headlamp aim defect | 1.64% |
| 21 | Battery loose or leaking | 1.09% |
| 22 | Handbrake lever fault | 1.09% |
| 23 | Rear fog lamp not working | 1.09% |
| 24 | Stop lamp not working | 1.09% |
| 25 | Windscreen damage affecting view | 1.09% |
| 26 | Brake caliper fault | 0.55% |
| 27 | Catalytic converter efficiency low | 0.55% |
| 28 | Dashboard warning lamp fault | 0.55% |
| 29 | Engine oil leak | 0.55% |
| 30 | Exhaust system fault | 0.55% |
| 31 | Fuel cap damaged or missing | 0.55% |
| 32 | Position lamp not working | 0.55% |
| 33 | Rear fog lamp warning light fault | 0.55% |
| 34 | Rear lamp not working | 0.55% |
| 35 | Rear suspension fault | 0.55% |
| 36 | Steering arm worn | 0.55% |
| 37 | Steering lock fault | 0.55% |
| 38 | Steering rack fault | 0.55% |
| 39 | Transmission oil leak | 0.55% |
Showing all 39 reasons — scroll inside the table for the full list.
Pontiac G6 MOT Failures by Category
Total MOT failure occurrences for the Pontiac G6, 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 G6 problems?
Based on analysis of 160 Pontiac G6 MOT tests from DVSA data, we have 0 identified common problems across 1 generation. Suspension is the most common problem category.
Which Pontiac G6 generation has the most problems?
We haven't identified significant problem patterns specific to any single generation of the Pontiac G6 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 G6?
Yes — use the "Tell Us About Your Problem" form on this page. Your report helps other Pontiac G6 owners spot problems early. All submissions are reviewed before being added to the public database.
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