Skip to content

Triumph Daytona 1000 vs Triumph Unknown: reliability comparison

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

Triumph Daytona 1000
87%
MOT pass rate · 4 vehicles
Triumph Unknown
89%
MOT pass rate · 65,927 vehicles
Verdict: On MOT pass rate the Triumph Daytona 1000 (87%) 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 Daytona 1000 Triumph Unknown
MOT pass rate 87% 89% ✓
MOT failure rate 13% 11% ✓
Faults & advisories per test 0.1 ✓ 0.6
Dangerous-fault share 0% ✓ 2%
Average mileage 25,150 mi 16,601 mi
Sample size (vehicles) 4 65,927

Most common faults

Triumph Daytona 1000

  1. Stop lamp does not illuminate immediately a brake applies (1.3.1a)
  2. Drive chain excessively tight (6.2.1d)
  3. Front shock absorber seal failed and leaking oil (2.3.3)
  4. Horn not loud enough to be heard by another road user (1.7.3a)
  5. Stop lamp does not illuminate immediately a brake applies Rear brake application. (1.3.1a)
  6. Nearside Headlamp aim too low (1.6)

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 Daytona 1000 (87%) and Triumph Unknown (89%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Triumph Daytona 1000 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.