Triumph Tiger cub t20 vs Triumph Unknown: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Triumph Tiger cub t20
93%
MOT pass rate · 13 vehicles
Triumph Unknown
89%
MOT pass rate · 65,927 vehicles
Verdict: On MOT pass rate the Triumph Tiger cub t20 (93%) 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 Tiger cub t20 | Triumph Unknown |
|---|---|---|
| MOT pass rate | 93% ✓ | 89% |
| MOT failure rate | 7% ✓ | 11% |
| Faults & advisories per test | 0.2 ✓ | 0.6 |
| Dangerous-fault share | 0% ✓ | 2% |
| Average mileage | 13,678 mi | 16,601 mi |
| Sample size (vehicles) | 13 | 65,927 |
Most common faults
Triumph Tiger cub t20
- Rear Wheel alignment slightly misaligned. (2.5.1)
- Front wheel bearings have slight free play (2.3.5b)
- Upper Steering headbearing has slight free play (2.2.2)
- DAY TIME MOT ONLY NO LIGHTS FITTED
- Rear suspension bush has slight free play (2.4.A2a(i))
- Stop lamp does not illuminate immediately a brake applies (1.3.1a)
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 Tiger cub t20 (93%) and Triumph Unknown (89%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Triumph Tiger cub t20 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.