Skip to content

Triumph 1500 vs Triumph P: 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 P
89%
MOT pass rate · 24 vehicles
Verdict: On MOT pass rate the Triumph 1500 (74%) and Triumph P (89%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Triumph 1500 Triumph P
MOT pass rate 74% 89% ✓
MOT failure rate 26% 11% ✓
Faults & advisories per test 2.3 0.6 ✓
Dangerous-fault share 0% 0%
Average mileage 58,068 mi 82,545 mi
Sample size (vehicles) 37,142 24

Most common faults

Triumph 1500

  1. Parking brake: efficiency below requirements (3.7.B.7)
  2. Windscreen washer provides insufficient washer liquid (8.2.3)
  3. Nearside Rear wheel bearing has slight play (2.6.2)
  4. Offside Rear wheel bearing has slight play (2.6.2)
  5. Brakes imbalanced across an axle (3.7.B.5b)
  6. Oil leak

Triumph P

  1. No lights fitted at time of test
  2. Offside Rear Shock absorber has a light misting of oil (2.7.3)
  3. Play in steering rack inner joint(s)
  4. no lights fitted at time of test
  5. Front wheel bearings have slight free play (2.3.5b)
  6. Steering headbearing has excessive free play (2.2.2)

Reliability FAQ

On MOT pass rate the Triumph 1500 (74%) and Triumph P (89%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Triumph 1500 report Full Triumph P 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.