Triumph Bonneville
From 21,768 tests in 2024 — above average for its class. Typical mileage at test: 7,329 miles.
What goes wrong?
The most common MOT failure reasons are number plate does not conform to the specified requirements, tyre tread depth not in accordance with the requirements and brake lining or pad worn below 1.0mm. The top issue — number plate does not conform to the specified requirements — caused 92 failures in 2024.
| number plate does not conform to the specified requirements | 92 |
| tyre tread depth not in accordance with the requirements | 90 |
| brake lining or pad worn below 1.0mm | 84 |
| a direction indicator lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning | 70 |
| significant brake effort recorded with no brake applied indicating a binding brake | 64 |
| a headlamp missing, inoperative or more than ½ not functioning in the case of led | 58 |
| reflector missing or reflecting white to the rear | 52 |
| stop lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning | 46 |
| excessive fluctuation in brake effort through each wheel revolution | 43 |
| a rear registration plate lamp or light source missing or inoperative in the case of a single lamp or all lamps | 39 |
By registration year
Newer Bonnevilles fare better — a 2001 model passes at 96% compared to 97.4% for a 2021.
| Year | Pass rate | Top failures |
|---|---|---|
| 2001 | 96% | significant brake effort recorded with no brake applied indicating a binding brake, tyre tread depth not in accordance with the requirements |
| 2002 | 92.9% | a stop lamp emitted colour, position or intensity not in accordance with the requirements, number plate does not conform to the specified requirements |
| 2003 | 94.3% | tyre tread depth not in accordance with the requirements, a stop lamp(s) does not illuminate by the operation of both brake controls or remains on when the brakes are released |
| 2004 | 93.1% | a headlamp missing, inoperative or more than ½ not functioning in the case of led, significant brake effort recorded with no brake applied indicating a binding brake |
17 older years
| 2005 | 94.2% | a direction indicator lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning, number plate does not conform to the specified requirements |
| 2006 | 93.6% | significant brake effort recorded with no brake applied indicating a binding brake, stop lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning |
| 2007 | 91.9% | a lamp missing or inoperative, stop lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning |
| 2008 | 93.9% | reflector missing or reflecting white to the rear, number plate does not conform to the specified requirements |
| 2009 | 96.6% | tyre tread depth not in accordance with the requirements, brake lining or pad worn below 1.0mm |
| 2010 | 96.7% | brake lining or pad worn below 1.0mm, number plate does not conform to the specified requirements |
| 2011 | 92.8% | tyre tread depth not in accordance with the requirements, brake lining or pad worn below 1.0mm |
| 2012 | 96.1% | a direction indicator lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning, significant brake effort recorded with no brake applied indicating a binding brake |
| 2013 | 95.3% | significant brake effort recorded with no brake applied indicating a binding brake, brake lining or pad worn below 1.0mm |
| 2014 | 95.2% | excessive fluctuation in brake effort through each wheel revolution, a direction indicator lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning |
| 2015 | 97.1% | brake lining or pad worn below 1.0mm, a direction indicator lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning |
| 2016 | 96.2% | a headlamp missing, inoperative or more than ½ not functioning in the case of led, brake lining or pad worn below 1.0mm |
| 2017 | 96.4% | tyre tread depth not in accordance with the requirements, number plate does not conform to the specified requirements |
| 2018 | 96.3% | number plate does not conform to the specified requirements, tyre tread depth not in accordance with the requirements |
| 2019 | 97.2% | tyre tread depth not in accordance with the requirements, brake lining or pad worn below 1.0mm |
| 2020 | 97.5% | number plate does not conform to the specified requirements, exhaust noise levels in excess of those permitted |
| 2021 | 97.4% | a tyre with a lump, bulge or tear caused by separation or partial failure of its structure, including any lifting of the tread rubber, brake lining or pad worn below 1.0mm |
Typical mileage
Half of all Bonnevilles tested had between 5,251 and 12,741 miles on the clock. Relatively low mileage overall — many are still fairly young.
Looking at a specific Bonneville? Check its full MOT history — including advisories, mileage, and previous test results.
Check MOT history on GOV.UKMOT data from DVSA anonymised test results 2024. Fleet data from DfT vehicle licensing statistics. Crown copyright, OGL v3.0.