Triumph 1500 vs Triumph Rs 955 i: 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 Rs 955 i
75%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Triumph 1500 (74%) and Triumph Rs 955 i (75%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Triumph 1500 | Triumph Rs 955 i |
|---|---|---|
| MOT pass rate | 74% | 75% ✓ |
| MOT failure rate | 26% | 25% ✓ |
| Faults & advisories per test | 2.3 | 0.5 ✓ |
| Dangerous-fault share | 0% | 0% |
| Average mileage | 58,068 mi | 16,916 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 Rs 955 i
- Engine warning light intermittant fault
- Front tyre worn on side wall due to track use
- Raer brake slightley sticking
- Front Brake lever has inadequate reserve travel (3.1.3b)
- Nearside Headlamp aim headlamp deteriorated and function impaired (1.2.3a)
- Offside Headlamp aim too high (1.6)
Reliability FAQ
On MOT pass rate the Triumph 1500 (74%) and Triumph Rs 955 i (75%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Triumph 1500 report Full Triumph Rs 955 i 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.