Triumph 1500 vs Triumph T 140 e bonavill: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Triumph 1500
74%
MOT pass rate · 37,142 vehicles
Triumph T 140 e bonavill
90%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Triumph 1500 (74%) and Triumph T 140 e bonavill (90%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Triumph 1500 | Triumph T 140 e bonavill |
|---|---|---|
| MOT pass rate | 74% | 90% ✓ |
| MOT failure rate | 26% | 10% ✓ |
| Faults & advisories per test | 2.3 | 0.8 ✓ |
| Dangerous-fault share | 0% | 0% |
| Average mileage | 58,068 mi | 53,049 mi |
| Sample size (vehicles) | 37,142 | 1 |
Most common faults
Triumph 1500
- Parking brake: efficiency below requirements (3.7.B.7)
- Windscreen washer provides insufficient washer liquid (8.2.3)
- Nearside Rear wheel bearing has slight play (2.6.2)
- Offside Rear wheel bearing has slight play (2.6.2)
- Brakes imbalanced across an axle (3.7.B.5b)
- Oil leak
Triumph T 140 e bonavill
- Front Tyre worn close to the legal limit (4.1.3(ii))
- Rear Tyre worn close to the legal limit (4.1.3(ii))
- Rear Tyre tread depth is below minimum requirements of 1.0mm (4.1.3(ii))
- Front Exhaust is leaking but is not excessively noisey (7.1.1b)
- Rear Exhaust noisy (7.1.2)
- Steering headbearing has slight free play (2.2.2)
Reliability FAQ
On MOT pass rate the Triumph 1500 (74%) and Triumph T 140 e bonavill (90%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Triumph 1500 report Full Triumph T 140 e bonavill report Most reliable cars
Pass rates are computed over completed (pass/fail) MOT tests. Reliability also depends on age, mileage and upkeep — see each model's page for the full picture.