Skip to content

MOT reliability

Triumph Bonnevill

15 vehicles · 76 completed MOT tests analysed
78%
MOT pass rate

Based on 15 Triumph Bonnevill vehicles and 76 completed MOT tests, the Triumph Bonnevill has an overall 78% pass rate, with an average recorded mileage of 14,316 miles.

15
Vehicles
76
MOT tests
1,006
Avg miles / year
0.4
Faults per test
0%
Dangerous-fault share

Triumph Bonnevill problem areas

Where faults occur most across all Triumph Bonnevill MOT tests:

  • Other103%
  • Brakes25%
  • Lamps & electrical3%
  • Tyres, wheels & suspension3%
  • Body & structure3%
  • Identification & plates3%
  • Steering3%
  • Seatbelts & equipment3%

Triumph Bonnevill pass rate by age

Age (years)TestsPass rate
11100%
3757%
4875%
5888%
6978%
73100%
82100%
91100%
101100%
111100%
131100%
141100%
15367%
162100%
171100%
181100%
191100%
201100%

Fuel types: Petrol (15)

Most common Triumph Bonnevill MOT faults

These are the faults and advisories recorded most often across Triumph Bonnevill MOT tests:

  1. Rear Tyre worn close to the legal limit (4.1.3(ii)) (5 times)
  2. Headlamp aim too low (1.6) (4 times)
  3. Rear Brake pad(s) close to minimum limit (3.2A1f(ii)) (2 times)
  4. Front Tyre worn close to the legal limit (4.1.3(ii)) (2 times)
  5. Rear position lamp does not illuminate immediately when it is switched on (1.1.3a) (2 times)
  6. Headlamp aim too high (1.6) (1 times)
  7. Rear Brake pad(s) less than 1.5 mm thick (3.2.A1f(i)) (1 times)
  8. Rear Exhaust is leaking but is not excessively noisey (7.1.1b) (1 times)
  9. Front Roller brake test indicates slight fluctuation of brake effort (3.3.A1d) (1 times)
  10. Nearside Front Wheel has a slightly distorted bead rim. (4.2.2) (1 times)
  11. Rear Roller brake test indicates a sticking brake (3.3.A1a) (1 times)
  12. Rear Tyre tread depth is below minimum requirements of 1.0mm (4.1.3(ii)) (1 times)
  13. Rear Roller brake test indicates a binding brake (3.3.A1a) (1 times)
  14. Nearside Front Shock absorber has a light misting of oil (5.3.2 (b)) (1 times)
  15. Rear Brake pad(s) close to minimum limit (1.1.13 (a)) (1 times)

Triumph Bonnevill pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
2010 1 9 89% 11,710
2007 2 3 67% 11,137
2006 1 1 100% 3,134
2004 1 2 100% 13,852
2003 2 13 62% 12,055
2002 2 16 94% 16,856
2001 2 10 90% 18,067
1989 1 4 75% 47,499
1981 1 2 100% 8,932
1975 1 14 50% 13,199
1968 1 2 100% 195

Triumph Bonnevill reliability FAQ

Across 15 Triumph Bonnevill vehicles in our MOT data, 78% pass the MOT (a 22% failure rate), with about 0.4 faults or advisories recorded per test.

The most frequently recorded Triumph Bonnevill MOT issues are: Rear Tyre worn close to the legal limit (4.1.3(ii)); Headlamp aim too low (1.6); Rear Brake pad(s) close to minimum limit (3.2A1f(ii)).

The typical Triumph Bonnevill in our data has covered around 14,316 miles.

Compare the Triumph Bonnevill

See how the Triumph Bonnevill stacks up against other Triumph models on MOT reliability:


Check a specific Triumph Bonnevill

Enter a registration to see that exact vehicle's full MOT history, advisories and recurring faults.

See all Triumph models · Learn about common MOT failures · what an MOT checks