Triumph 1500 vs Triumph 2500 tc: 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 2500 tc
74%
MOT pass rate · 7,256 vehicles
Verdict: On MOT pass rate the Triumph 1500 (74%) and Triumph 2500 tc (74%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Triumph 1500 | Triumph 2500 tc |
|---|---|---|
| MOT pass rate | 74% | 74% |
| MOT failure rate | 26% | 26% |
| Faults & advisories per test | 2.3 | 1.9 ✓ |
| Dangerous-fault share | 0% | 0% |
| Average mileage | 58,068 mi | 59,220 mi |
| Sample size (vehicles) | 37,142 | 7,256 |
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 2500 tc
- Oil leak
- Parking brake: efficiency below requirements (3.7.B.7)
- Exhaust emissions carbon monoxide content excessive (7.3.B.1a)
- Windscreen washer provides insufficient washer liquid (8.2.3)
- Offside Front wheel bearing has slight play (2.5.A.3c)
- Nearside Front wheel bearing has slight play (2.5.A.3c)
Reliability FAQ
On MOT pass rate the Triumph 1500 (74%) and Triumph 2500 tc (74%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Triumph 1500 report Full Triumph 2500 tc 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.