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Triumph 2dr vs Triumph Unknown: reliability comparison

MOT pass rates, common faults and mileage compared from real UK MOT data.

Triumph 2dr
67%
MOT pass rate · 1 vehicles
Triumph Unknown
89%
MOT pass rate · 65,927 vehicles
Verdict: On MOT pass rate the Triumph 2dr (67%) and Triumph Unknown (89%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Triumph 2dr Triumph Unknown
MOT pass rate 67% 89% ✓
MOT failure rate 33% 11% ✓
Faults & advisories per test 2.2 0.6 ✓
Dangerous-fault share 0% ✓ 2%
Average mileage 95,448 mi 16,601 mi
Sample size (vehicles) 1 65,927

Most common faults

Triumph 2dr

  1. Offside Rear wheel bearing has slight play (2.6.2)
  2. Nearside Axle king pin has excessive play in pin and/or bush adversely affecting the steering (2.5.A.3a)
  3. Nearside Front Anti-roll bar rubber bush bonding deteriorated resulting in excessive movement (2.4.G.2)
  4. Nearside Front Brake hose seriously damaged (found during steering lock to lock check) (2.2.D.2b)
  5. Nearside Rear wheel bearing has excessive play (2.6.2)
  6. Offside Rear Direction indicator not working (1.4.A.2c)

Triumph Unknown

  1. Exhaust noisy (8.1.1 (a))
  2. Exhaust noisy (7.1.2)
  3. Front Roller brake test indicates slight fluctuation of brake effort (3.3.A1d)
  4. COVID-19 6 MONTH EXTENSION
  5. Rear Tyre worn close to the legal limit (5.2.3 (e))
  6. Steering headbearing has slight free play (2.2.2)

Reliability FAQ

On MOT pass rate the Triumph 2dr (67%) and Triumph Unknown (89%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Triumph 2dr report Full Triumph Unknown 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.