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Triumph 883 vs Triumph Unknown: reliability comparison

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

Triumph 883
100%
MOT pass rate · 1 vehicles
Triumph Unknown
89%
MOT pass rate · 65,927 vehicles
Verdict: On MOT pass rate the Triumph 883 (100%) 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 883 Triumph Unknown
MOT pass rate 100% ✓ 89%
MOT failure rate 0% ✓ 11%
Faults & advisories per test 1.0 0.6 ✓
Dangerous-fault share 0% ✓ 2%
Average mileage — 16,601 mi
Sample size (vehicles) 1 65,927

Most common faults

Triumph 883

  1. Exhaust noisy (7.1.2)
  2. no front fender fitted
  3. Rear Brake pad(s) close to minimum limit (3.2A1f(ii))
  4. no speedo fitted
  5. signs of paint bubbling on bottom right hand side of fuel tank
  6. os foot peg slightly loose

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 883 (100%) and Triumph Unknown (89%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Triumph 883 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.