Triumph 1500 vs Triumph Street trriple r: 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 Street trriple r
85%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Triumph 1500 (74%) and Triumph Street trriple r (85%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Triumph 1500 | Triumph Street trriple r |
|---|---|---|
| MOT pass rate | 74% | 85% ✓ |
| MOT failure rate | 26% | 15% ✓ |
| Faults & advisories per test | 2.3 | 0.5 ✓ |
| Dangerous-fault share | 0% | 0% |
| Average mileage | 58,068 mi | 15,080 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 Street trriple r
- Nearside Rear Drive chain slightly loose (6.2.1d)
- Exhaust markings indicating not for road use or similar wording (7.1.4)
- Nearside Front Brake pad(s) close to minimum limit (3.2.A1f(i))
- Offside Front Brake pad(s) close to minimum limit (3.2.A1f(i))
- Offside Rear Exhaust noisy (7.1.2)
- Rear Wheel alignment incorrect which adversely affects the handling (2.4 (a))
Reliability FAQ
On MOT pass rate the Triumph 1500 (74%) and Triumph Street trriple r (85%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Triumph 1500 report Full Triumph Street trriple r 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.