Triumph Tr5mx vs Triumph Unknown: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Triumph Tr5mx
100%
MOT pass rate · 3 vehicles
Triumph Unknown
89%
MOT pass rate · 65,927 vehicles
Verdict: On MOT pass rate the Triumph Tr5mx (100%) and Triumph Unknown (89%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Triumph Tr5mx | Triumph Unknown |
|---|---|---|
| MOT pass rate | 100% ✓ | 89% |
| MOT failure rate | 0% ✓ | 11% |
| Faults & advisories per test | 0.1 ✓ | 0.6 |
| Dangerous-fault share | 0% ✓ | 2% |
| Average mileage | 5,222 mi | 16,601 mi |
| Sample size (vehicles) | 3 | 65,927 |
Most common faults
Triumph Tr5mx
- Only used during daylight hours,andnot used at times of seriously reduced visibility.
- Steering headbearing has slight free play (2.2.2)
- no lights fitted at time of test
Triumph Unknown
- Exhaust noisy (8.1.1 (a))
- Exhaust noisy (7.1.2)
- Front Roller brake test indicates slight fluctuation of brake effort (3.3.A1d)
- COVID-19 6 MONTH EXTENSION
- Rear Tyre worn close to the legal limit (5.2.3 (e))
- Steering headbearing has slight free play (2.2.2)
Reliability FAQ
On MOT pass rate the Triumph Tr5mx (100%) and Triumph Unknown (89%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Triumph Tr5mx report Full Triumph Unknown 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.