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Triumph Dolimite hl vs Triumph Unknown: reliability comparison

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

Triumph Dolimite hl
79%
MOT pass rate · 1 vehicles
Triumph Unknown
89%
MOT pass rate · 65,927 vehicles
Verdict: On MOT pass rate the Triumph Dolimite hl (79%) 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 Dolimite hl Triumph Unknown
MOT pass rate 79% 89% ✓
MOT failure rate 21% 11% ✓
Faults & advisories per test 2.7 0.6 ✓
Dangerous-fault share 0% ✓ 2%
Average mileage 37,131 mi 16,601 mi
Sample size (vehicles) 1 65,927

Most common faults

Triumph Dolimite hl

  1. Nearside Front Wheel bearing slightly noisy (5.1.3 (b) (i))
  2. Offside Front Wheel bearing has slight play (5.1.3 (a) (i))
  3. Nearside Front tyre worn on edge
  4. Rear tyres worn near the wearbands
  5. o/s/f and both rear tyre sidewalls cracked
  6. Central Exhaust has a minor leak of exhaust gases (7.1.2)

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 Dolimite hl (79%) and Triumph Unknown (89%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Triumph Dolimite hl 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.