Triumph T100 Bonneville MOT Pass Rate
Overall pass rate across all manufacture years, based on 71 real MOT test results. Failure rate: 4.2%.
Data from official DVSA MOT testing records
Triumph T100 Bonneville MOT Reliability Overview
The Triumph T100 Bonneville is a rare vehicle in the UK, with 71 MOT test results recorded in our database spanning 0 manufacture years. It has an overall MOT pass rate of 95.8% and a failure rate of 4.2%, which is well above the UK average of approximately 37%.
Based on this data, the Triumph T100 Bonneville earns a "Excellent" reliability rating. The average Triumph T100 Bonneville presents for MOT with approximately 6,642 miles on the clock.
The most common MOT failure for the Triumph T100 Bonneville is Items Not Tested, affecting 1.4% of all tests. Items Not Tested issues are a common cause of MOT failure. Regular inspection and maintenance of these components helps ensure your vehicle passes its MOT. The second most common issue is Motorcycle reg plates and vin at 1.4%. Motorcycle lighting and signalling rounds out the top three at 1.4%. Together, these top 3 failure categories account for a significant portion of all MOT failures for this model.
Top failures across all manufacture years combined. Individual year pages may show different top failures.
What Fails Most
* High Fail Rate badge indicates an MOT pass rate below 65% (failure rate above 35%).
What Fails on This Car?
Click a category to see specific failure items.
View as table
| Rank | Failure Category | Rate (%) | Count |
|---|---|---|---|
| 1 | Items Not Tested | 1.4% | 1 |
| 2 | Motorcycle Reg Plates And Vin | 1.4% | 1 |
| 3 | Motorcycle Lighting And Signalling | 1.4% | 1 |
Failures per 10,000 Miles
avg. 6,642 miFor every 10,000 miles driven, this shows what percentage of MOT tests fail for each category. This accounts for how far cars are actually driven, not just raw pass/fail counts.
View as table
| Category | Rate / 10K mi | Raw % | Count |
|---|---|---|---|
| Items Not Tested | 2.12 | 1.4% | 1 |
| Motorcycle reg plates and vin | 2.12 | 1.4% | 1 |
| Motorcycle lighting and signalling | 2.12 | 1.4% | 1 |
🚗 Similar Cars to Consider
Mileage at MOT
The average Triumph T100 Bonneville has 6,642 miles when tested for MOT.
📊 Mileage-Adjusted Failure Rate
How often this car fails MOT relative to how much it's driven — a fairer comparison than raw pass rate.
The Triumph T100 Bonneville has a mileage-adjusted failure rate of 6.32% per 10,000 miles driven. The average across all makes is 5.38%, so this model is worse than average.
About Triumph T100 Bonneville MOT Data
The Triumph T100 Bonneville is a rare vehicle in the UK, with 71 MOT test results recorded in our database spanning 0 manufacture years. It has an overall MOT pass rate of 95.8% and a failure rate of 4.2%, which is well above the UK average of approximately 37%.
For Triumph T100 Bonneville owners, these results suggest a reliable vehicle that generally passes its MOT without major issues. Focus your pre-MOT checks on items not tested and motorcycle reg plates and vin for the best chance of a first-time pass. Use our detailed year-by-year breakdown and failure analysis below to understand how your specific T100 Bonneville is likely to perform.
Items Not Tested — 1.4% of failures
Items Not Tested issues account for 1.4% of MOT failures on the Triumph T100 Bonneville. Items Not Tested issues are a common cause of MOT failure. Regular inspection and maintenance of these components helps ensure your vehicle passes its MOT. Typical repair costs: £100–400. Pre-MOT check: Have this system checked during regular servicing. Look for warning signs like unusual noises, vibrations, or dashboard warning lights.
Motorcycle reg plates and vin — 1.4% of failures
Motorcycle reg plates and vin issues account for 1.4% of MOT failures on the Triumph T100 Bonneville. Motorcycle reg plates and vin issues are a common cause of MOT failure. Regular inspection and maintenance of these components helps ensure your vehicle passes its MOT. Typical repair costs: £100–400. Pre-MOT check: Have this system checked during regular servicing. Look for warning signs like unusual noises, vibrations, or dashboard warning lights.
Motorcycle lighting and signalling — 1.4% of failures
Motorcycle lighting and signalling issues account for 1.4% of MOT failures on the Triumph T100 Bonneville. Motorcycle lighting and signalling issues are a common cause of MOT failure. Regular inspection and maintenance of these components helps ensure your vehicle passes its MOT. Typical repair costs: £100–400. Pre-MOT check: Have this system checked during regular servicing. Look for warning signs like unusual noises, vibrations, or dashboard warning lights.
Frequently Asked Questions
What is the MOT pass rate for the Triumph T100 Bonneville?
Based on 71 (based on limited data) MOT tests in our database, the Triumph T100 Bonneville has an overall pass rate of 95.8% (4.2% fail rate).
What are the most common MOT failures on a Triumph T100 Bonneville?
The top 3 reasons a Triumph T100 Bonneville fails its MOT are: 1. Items Not Tested (1.4%), 2. Motorcycle reg plates and vin (1.4%), 3. Motorcycle lighting and signalling (1.4%). Check these areas before booking your MOT.
Is the Triumph T100 Bonneville reliable?
With a 4.2% MOT failure rate, the T100 Bonneville is more reliable than average compared to the UK average of ~40%.
What should I check before an MOT on my Triumph T100 Bonneville?
Based on failure data, focus on: Items Not Tested (1.4%); Motorcycle reg plates and vin (1.4%); Motorcycle lighting and signalling (1.4%). These are the areas most likely to cause a fail. Also check all lights, tyres (minimum 1.6mm tread), and windscreen condition — these are quick wins that apply to all cars.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.