Triumph 1500 vs Triumph Ss100: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Triumph 1500
74%
MOT pass rate · 37,142 vehicles
Triumph Ss100
73%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Triumph 1500 (74%) and Triumph Ss100 (73%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Triumph 1500 | Triumph Ss100 |
|---|---|---|
| MOT pass rate | 74% ✓ | 73% |
| MOT failure rate | 26% ✓ | 27% |
| Faults & advisories per test | 2.3 | 1.5 ✓ |
| Dangerous-fault share | 0% | 0% |
| Average mileage | 58,068 mi | 3,749 mi |
| Sample size (vehicles) | 37,142 | 1 |
Most common faults
Triumph 1500
- Parking brake: efficiency below requirements (3.7.B.7)
- Windscreen washer provides insufficient washer liquid (8.2.3)
- Nearside Rear wheel bearing has slight play (2.6.2)
- Offside Rear wheel bearing has slight play (2.6.2)
- Brakes imbalanced across an axle (3.7.B.5b)
- Oil leak
Triumph Ss100
- Rear wheel bearings have slight free play (2.4.A.2c)
- Drive chain worn but not considered excessive (6.2.1e)
- Drive chain slightly tight (6.2.1d)
- Drive chain sprocket carrier worn but not considered excessive (6.2.1e)
- Front Roller brake test indicates slight fluctuation of brake effort (3.3.A1d)
- Front wheel has a loose wheel nut(s) (4.2.3a)
Reliability FAQ
On MOT pass rate the Triumph 1500 (74%) and Triumph Ss100 (73%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Triumph 1500 report Full Triumph Ss100 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.