Triumph 1500 vs Triumph Tr6 pi: 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 Tr6 pi
94%
MOT pass rate · 2 vehicles
Verdict: On MOT pass rate the Triumph 1500 (74%) and Triumph Tr6 pi (94%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Triumph 1500 | Triumph Tr6 pi |
|---|---|---|
| MOT pass rate | 74% | 94% ✓ |
| MOT failure rate | 26% | 6% ✓ |
| Faults & advisories per test | 2.3 | 0.3 ✓ |
| Dangerous-fault share | 0% | 0% |
| Average mileage | 58,068 mi | 53,652 mi |
| Sample size (vehicles) | 37,142 | 2 |
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 Tr6 pi
- Brakes imbalanced requirements only just met. It would appear that the braking system requires adjustment or repair. (3.7.B.5b)
- Offside Front Axle swivel joint has slight play (2.5.A.3b)
- Parking brake: efficiency below requirements (3.7.B.7)
- Rear Brakes imbalanced across an axle Axle 2 (3.7.B.5b)
- movement at steering wheel
- Slight play in lower suspension joint...Advise lower suspension bush bolt runs close to brake disc
Reliability FAQ
On MOT pass rate the Triumph 1500 (74%) and Triumph Tr6 pi (94%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Triumph 1500 report Full Triumph Tr6 pi 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.