Skip to content

Honda Black widow vs Honda Unknown: reliability comparison

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

Honda Black widow
83%
MOT pass rate · 3 vehicles
Honda Unknown
85%
MOT pass rate · 1,041,859 vehicles
Verdict: On MOT pass rate the Honda Black widow (83%) and Honda Unknown (85%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Honda Black widow Honda Unknown
MOT pass rate 83% 85% ✓
MOT failure rate 17% 15% ✓
Faults & advisories per test 0.4 ✓ 0.9
Dangerous-fault share 13% 3% ✓
Average mileage 29,280 mi 25,474 mi
Sample size (vehicles) 3 1,041,859

Most common faults

Honda Black widow

  1. Front Tyre worn close to the legal limit (5.2.3 (e))
  2. Drive chain excessively loose (6.2.1d)
  3. Headlamp masks/converters fitted
  4. Front Brake pad(s) close to minimum limit (3.2.A1f(i))
  5. Front Roller brake test indicates slight fluctuation of brake effort (3.3.A1d)
  6. Front Stop lamp does not illuminate immediately a brake applies (1.3.1a)

Honda Unknown

  1. Exhaust noisy (8.1.1 (a))
  2. Rear Tyre worn close to the legal limit (5.2.3 (e))
  3. Chain guard missing
  4. Rear reflector missing (4.8.2 (a) (ii))
  5. Drive chain slightly loose (6.1.7 (c) (i))
  6. Front Brake binding but not excessively (1.2.1 (f))

Reliability FAQ

On MOT pass rate the Honda Black widow (83%) and Honda Unknown (85%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Honda Black widow report Full Honda 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.