Triumph 2000 vs Triumph Speed four: 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 Speed four
84%
MOT pass rate · 864 vehicles
More reliable
Verdict: On MOT pass rate, the Triumph Speed four is the more reliable of the two — 84% pass first time versus 78%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Triumph 2000 | Triumph Speed four |
|---|---|---|
| MOT pass rate | 78% | 84% ✓ |
| MOT failure rate | 22% | 16% ✓ |
| Faults & advisories per test | 1.6 | 0.7 ✓ |
| Dangerous-fault share | 0% ✓ | 2% |
| Average mileage | 62,139 mi | 25,254 mi |
| Sample size (vehicles) | 57,492 | 864 |
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 Speed four
- Rear Tyre worn close to the legal limit (4.1.3(ii))
- Front Tyre worn close to the legal limit (4.1.3(ii))
- Front Roller brake test indicates slight fluctuation of brake effort (3.3.A1d)
- Drive chain slightly loose (6.2.1d)
- Exhaust noisy (7.1.2)
- Exhaust noisy (8.1.1 (a))
Reliability FAQ
On MOT pass rate, the Triumph Speed four is the more reliable of the two — 84% pass first time versus 78%. It's one signal among several; check the full breakdown below.
Full Triumph 2000 report Full Triumph Speed four 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.