Triumph 2000 vs Triumph T20 sm: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Triumph 2000
78%
MOT pass rate · 57,492 vehicles
Triumph T20 sm
50%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Triumph 2000 (78%) and Triumph T20 sm (50%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Triumph 2000 | Triumph T20 sm |
|---|---|---|
| MOT pass rate | 78% ✓ | 50% |
| MOT failure rate | 22% ✓ | 50% |
| Faults & advisories per test | 1.6 ✓ | 3.0 |
| Dangerous-fault share | 0% | 0% |
| Average mileage | 62,139 mi | 9,214 mi |
| Sample size (vehicles) | 57,492 | 1 |
Most common faults
Triumph 2000
- Parking brake: efficiency below requirements (3.7.B.7)
- Oil leak
- Nearside Front wheel bearing has slight play (2.5.A.3c)
- Offside Front wheel bearing has slight play (2.5.A.3c)
- Windscreen washer provides insufficient washer liquid (8.2.3)
- Offside Rear wheel bearing has slight play (2.6.2)
Triumph T20 sm
- Front Wheel has an excessively distorted bead rim. (4.2.2)
- Horn missing (1.7.1)
- Rear Roller brake test indicates a binding brake (3.3.A1a)
- Rear suspension bush has excessive free play (2.4.A2a(i))
- chainguard missing
- for daylight use only [ lights masked at time of test ]
Reliability FAQ
On MOT pass rate the Triumph 2000 (78%) and Triumph T20 sm (50%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Triumph 2000 report Full Triumph T20 sm 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.