At a Glance
The Bentley T-series has 0 identified common problems across 2 generations (1965–1980) and brakes the most common problem category. Based on 1K 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 Bentley T-series 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
Bentley T-series 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 Bentley T-series owners — report a problem and we'll add it to the database
Tell Us About Your Problem
Help other Bentley T-series owners — report a problem and we'll add it to the database
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Browse Bentley T-series Generations
Select a generation to see its specific problems, MOT failures and advisories
Most Common Bentley T-series MOT Failures
Every reason Bentley T-series 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 performance below minimum | 15.57% |
| 2 | Windscreen washer not working | 7.98% |
| 3 | Brake hydraulic component worn | 5.99% |
| 4 | Exhaust system fault | 5.59% |
| 5 | Stop lamp not working | 4.79% |
| 6 | Wiper blades deteriorated | 4.59% |
| 7 | Indicator fault | 3.99% |
| 8 | Parking brake condition | 3.39% |
| 9 | Headlamp aim defect | 3.39% |
| 10 | Number plate lamp not working | 3.19% |
| 11 | Exhaust emissions above threshold (non-catalyst) | 2.40% |
| 12 | Brake disc or drum worn | 2.20% |
| 13 | Brake pads or linings worn | 2.20% |
| 14 | Subframe mounting corroded | 2.00% |
| 15 | Parking brake performance below minimum | 1.80% |
| 16 | Track rod end worn | 1.80% |
| 17 | Tyre condition | 1.80% |
| 18 | Body corrosion or damage | 1.60% |
| 19 | Front lamp not working | 1.60% |
| 20 | Shock absorber worn or leaking | 1.60% |
| 21 | Suspension mounting corroded | 1.60% |
| 22 | Suspension joint or bush worn | 1.60% |
| 23 | Headlamp fault | 1.40% |
| 24 | Seat belt condition | 1.40% |
| 25 | Tyre tread depth below limit | 1.40% |
| 26 | Brake fluid leak | 1.20% |
| 27 | Brake caliper fault | 1.00% |
| 28 | Rear lamp not working | 1.00% |
| 29 | Spring mounting corroded | 1.00% |
| 30 | Steering coupling worn | 1.00% |
| 31 | Horn not working | 0.80% |
| 32 | Air suspension levelling valve fault | 0.60% |
| 33 | Front suspension joint worn | 0.60% |
| 34 | Handbrake cable fault | 0.60% |
| 35 | Position lamp not working | 0.60% |
| 36 | Spark ignition emissions above threshold | 0.60% |
| 37 | Body security fault | 0.40% |
| 38 | Brake pedal movement restricted | 0.40% |
| 39 | Chassis condition | 0.40% |
| 40 | Drag link end worn | 0.40% |
| 41 | Front suspension fault | 0.40% |
| 42 | Steering lock fault | 0.40% |
| 43 | Battery loose or leaking | 0.20% |
| 44 | Boot lid damaged or insecure | 0.20% |
| 45 | Brake linkage mounting fault | 0.20% |
| 46 | Brake pedal fault | 0.20% |
| 47 | Coil spring broken or corroded | 0.20% |
| 48 | Dashboard warning lamp fault | 0.20% |
| 49 | Dip switch fault | 0.20% |
| 50 | Fuel hose damaged or leaking | 0.20% |
| 51 | Mirror damaged or missing | 0.20% |
| 52 | Rear suspension fault | 0.20% |
| 53 | Rigid brake pipe corroded or damaged | 0.20% |
| 54 | Steering box fault | 0.20% |
| 55 | Steering lock stop fault | 0.20% |
| 56 | Steering rack fault | 0.20% |
| 57 | Suspension arm worn or corroded | 0.20% |
| 58 | Suspension retaining or locking device fault | 0.20% |
| 59 | Tyre size or type not matched | 0.20% |
| 60 | Wheel bearing worn | 0.20% |
| 61 | Windscreen damage affecting view | 0.20% |
Showing all 61 reasons — scroll inside the table for the full list.
Bentley T-series MOT Failures by Category
Total MOT failure occurrences for the Bentley T-series, 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 Bentley T-series problems?
Based on analysis of 1K Bentley T-series MOT tests from DVSA data, we have 0 identified common problems across 2 generations. Brakes is the most common problem category.
Which Bentley T-series generation has the most problems?
We haven't identified significant problem patterns specific to any single generation of the Bentley T-series 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 Bentley T-series?
Yes — use the "Tell Us About Your Problem" form on this page. Your report helps other Bentley T-series owners spot problems early. All submissions are reviewed before being added to the public database.
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