Honda Unknown vs Honda Vf400f: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Honda Unknown
85%
MOT pass rate · 1,041,859 vehicles
More reliable
Honda Vf400f
79%
MOT pass rate · 352 vehicles
Verdict: On MOT pass rate, the Honda Unknown is the more reliable of the two — 85% pass first time versus 79%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Honda Unknown | Honda Vf400f |
|---|---|---|
| MOT pass rate | 85% ✓ | 79% |
| MOT failure rate | 15% ✓ | 21% |
| Faults & advisories per test | 0.9 ✓ | 1.0 |
| Dangerous-fault share | 3% | 1% ✓ |
| Average mileage | 25,474 mi | 40,227 mi |
| Sample size (vehicles) | 1,041,859 | 352 |
Most common faults
Honda Unknown
- Exhaust noisy (8.1.1 (a))
- Rear Tyre worn close to the legal limit (5.2.3 (e))
- Chain guard missing
- Rear reflector missing (4.8.2 (a) (ii))
- Drive chain slightly loose (6.1.7 (c) (i))
- Front Brake binding but not excessively (1.2.1 (f))
Honda Vf400f
- Front Tyre worn close to the legal limit (4.1.3(ii))
- Rear Tyre worn close to the legal limit (4.1.3(ii))
- Exhaust is leaking but is not excessively noisey (7.1.1b)
- Rear reflector on motorcycle missing (1.4.1)
- Drive chain slightly loose (6.2.1d)
- Nearside Front shock absorber has light misting of stanchion (2.3.3)
Reliability FAQ
On MOT pass rate, the Honda Unknown is the more reliable of the two — 85% pass first time versus 79%. It's one signal among several; check the full breakdown below.
Full Honda Unknown report Full Honda Vf400f 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.