Triumph 1500 vs Triumph Gt 6: 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 Gt 6
72%
MOT pass rate · 20 vehicles
Verdict: On MOT pass rate the Triumph 1500 (74%) and Triumph Gt 6 (72%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Triumph 1500 | Triumph Gt 6 |
|---|---|---|
| MOT pass rate | 74% ✓ | 72% |
| MOT failure rate | 26% ✓ | 28% |
| Faults & advisories per test | 2.3 | 1.8 ✓ |
| Dangerous-fault share | 0% | 0% |
| Average mileage | 58,068 mi | 56,520 mi |
| Sample size (vehicles) | 37,142 | 20 |
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 Gt 6
- Parking brake: efficiency below requirements (3.7.B.7)
- Nearside Front wheel bearing has slight play (2.5.A.3c)
- Horn not working (1.6.2a)
- Oil leak
- Offside Front Front wheel bearing has slight play (2.5.A.3c)
- Offside rear parking brake recording little or no effort (3.7.B.6a)
Reliability FAQ
On MOT pass rate the Triumph 1500 (74%) and Triumph Gt 6 (72%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Triumph 1500 report Full Triumph Gt 6 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.