Skip to content

Triumph Super111 vs Triumph Unknown: reliability comparison

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

Triumph Super111
67%
MOT pass rate · 2 vehicles
Triumph Unknown
89%
MOT pass rate · 65,927 vehicles
Verdict: On MOT pass rate the Triumph Super111 (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 Super111 Triumph Unknown
MOT pass rate 67% 89% ✓
MOT failure rate 33% 11% ✓
Faults & advisories per test 0.5 ✓ 0.6
Dangerous-fault share 0% ✓ 2%
Average mileage 13,000 mi 16,601 mi
Sample size (vehicles) 2 65,927

Most common faults

Triumph Super111

  1. Front Stop lamp does not illuminate immediately a brake applies (1.3.1a)
  2. Front Brake fluid below minimum mark (1.1.10 (d) (i))
  3. Front Stop lamp not working (4.3.1 (a) (ii))
  4. Rear Brake excessively binding (1.2.1 (f))

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 Super111 (67%) and Triumph Unknown (89%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Triumph Super111 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.