Triumph 1500 vs Triumph T6: 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 T6
95%
MOT pass rate · 8 vehicles
Verdict: On MOT pass rate the Triumph 1500 (74%) and Triumph T6 (95%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Triumph 1500 | Triumph T6 |
|---|---|---|
| MOT pass rate | 74% | 95% ✓ |
| MOT failure rate | 26% | 5% ✓ |
| Faults & advisories per test | 2.3 | 0.1 ✓ |
| Dangerous-fault share | 0% | 0% |
| Average mileage | 58,068 mi | 23,242 mi |
| Sample size (vehicles) | 37,142 | 8 |
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 T6
- Oil Leak From Engine
- Front Roller brake test indicates slight fluctuation of brake effort (3.3.A1d)
- Front Wheel has a slightly distorted bead rim. (4.2.2)
- Headlamp at least one does not illuminate on dipped beam (1.2.2a(i))
- Steering headbearing has excessive free play (2.2.2)
- Rear Rear position lamp does not illuminate immediately when it is switched on (1.1.3a)
Reliability FAQ
On MOT pass rate the Triumph 1500 (74%) and Triumph T6 (95%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Triumph 1500 report Full Triumph T6 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.