Triumph Bonnevillie MOT Pass Rate
Overall pass rate across all manufacture years, based on 30 real MOT test results. Failure rate: 16.7%.
Data from official DVSA MOT testing records
Triumph Bonnevillie MOT Reliability Overview
The Triumph Bonnevillie is a rare vehicle in the UK, with 30 MOT test results recorded in our database spanning 0 manufacture years. It has an overall MOT pass rate of 83.3% and a failure rate of 16.7%, which is well above the UK average of approximately 37%.
Based on this data, the Triumph Bonnevillie earns a "Excellent" reliability rating. The average Triumph Bonnevillie presents for MOT with approximately 13,464 miles on the clock.
The most common MOT failure for the Triumph Bonnevillie is Motorcycle lighting and signalling, affecting 16.7% of all tests. 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. The second most common issue is Motorcycle tyres and wheels at 6.7%. Motorcycle body and structure rounds out the top three at 3.3%. 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 | Motorcycle Lighting And Signalling | 16.7% | 5 |
| 2 | Motorcycle Tyres And Wheels | 6.7% | 2 |
| 3 | Motorcycle Body And Structure | 3.3% | 1 |
| 4 | Motorcycle Brakes | 3.3% | 1 |
| 5 | Motorcycle Steering And Suspension | 3.3% | 1 |
Failures per 10,000 Miles
avg. 13,464 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 |
|---|---|---|---|
| Motorcycle lighting and signalling | 12.38 | 16.7% | 5 |
| Motorcycle tyres and wheels | 4.95 | 6.7% | 2 |
| Motorcycle body and structure | 2.48 | 3.3% | 1 |
| Motorcycle brakes | 2.48 | 3.3% | 1 |
| Motorcycle steering and suspension | 2.48 | 3.3% | 1 |
🚗 Similar Cars to Consider
Mileage at MOT
The average Triumph Bonnevillie has 13,464 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 Bonnevillie has a mileage-adjusted failure rate of 12.40% per 10,000 miles driven. The average across all makes is 5.38%, so this model is worse than average.
About Triumph Bonnevillie MOT Data
The Triumph Bonnevillie is a rare vehicle in the UK, with 30 MOT test results recorded in our database spanning 0 manufacture years. It has an overall MOT pass rate of 83.3% and a failure rate of 16.7%, which is well above the UK average of approximately 37%.
For Triumph Bonnevillie owners, these results suggest a reliable vehicle that generally passes its MOT without major issues. Focus your pre-MOT checks on motorcycle lighting and signalling and motorcycle tyres and wheels 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 Bonnevillie is likely to perform.
Motorcycle lighting and signalling — 16.7% of failures
Motorcycle lighting and signalling issues account for 16.7% of MOT failures on the Triumph Bonnevillie. 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.
Motorcycle tyres and wheels — 6.7% of failures
Motorcycle tyres and wheels issues account for 6.7% of MOT failures on the Triumph Bonnevillie. Tyre failures include tread depth below the legal minimum of 1.6mm, cuts, bulges, exposed cords, and incorrect tyre pressure. Tyres are one of the most common and easiest-to-prevent MOT failures. Typical repair costs: £50–200 per tyre. Pre-MOT check: Check tread depth with a 20p coin — if the outer band is visible, the tyre is too worn. Look for bulges, cuts, or embedded objects. Ensure all tyres match the recommended size and load rating.
Motorcycle body and structure — 3.3% of failures
Motorcycle body and structure issues account for 3.3% of MOT failures on the Triumph Bonnevillie. Body and structure failures include excessive corrosion, sharp edges, loose panels, and damage to the vehicle frame. Rust is the primary concern, especially on older vehicles or those exposed to road salt. Typical repair costs: £100–500+. Pre-MOT check: Inspect sills, wheel arches, door bottoms, and the chassis for rust. Surface rust is acceptable but structural corrosion or holes will fail. Check that all doors, bonnet, and boot close securely.
Frequently Asked Questions
What is the MOT pass rate for the Triumph Bonnevillie?
Based on 30 (based on limited data) MOT tests in our database, the Triumph Bonnevillie has an overall pass rate of 83.3% (16.7% fail rate).
What are the most common MOT failures on a Triumph Bonnevillie?
The top 3 reasons a Triumph Bonnevillie fails its MOT are: 1. Motorcycle lighting and signalling (16.7%), 2. Motorcycle tyres and wheels (6.7%), 3. Motorcycle body and structure (3.3%). Check these areas before booking your MOT.
Is the Triumph Bonnevillie reliable?
With a 16.7% MOT failure rate, the Bonnevillie is more reliable than average compared to the UK average of ~40%.
What should I check before an MOT on my Triumph Bonnevillie?
Based on failure data, focus on: Motorcycle lighting and signalling (16.7%); Motorcycle tyres and wheels (6.7%); Motorcycle body and structure (3.3%). 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.