Triumph Mk 1 2000 vs Triumph Unknown: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Triumph Mk 1 2000
92%
MOT pass rate · 1 vehicles
Triumph Unknown
89%
MOT pass rate · 65,927 vehicles
Verdict: On MOT pass rate the Triumph Mk 1 2000 (92%) 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 Mk 1 2000 | Triumph Unknown |
|---|---|---|
| MOT pass rate | 92% ✓ | 89% |
| MOT failure rate | 8% ✓ | 11% |
| Faults & advisories per test | 0.8 | 0.6 ✓ |
| Dangerous-fault share | 0% ✓ | 2% |
| Average mileage | 84,700 mi | 16,601 mi |
| Sample size (vehicles) | 1 | 65,927 |
Most common faults
Triumph Mk 1 2000
- Brake pipe slightly corroded (3.6.B.2c)
- Exhaust has a minor leak of exhaust gases (7.1.2)
- Nearside Front brake disc excessively pitted (3.5.1h)
- Offside Front Suspension arm has excessive play in a track control arm inner bush (2.5.B.2b)
- Offside Front brake disc excessively pitted (3.5.1h)
- Offside Rear position lamp(s) adversely affected by the operation of another lamp (1.1.A.3f)
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 Mk 1 2000 (92%) and Triumph Unknown (89%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Triumph Mk 1 2000 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.