Honda Unknown vs Honda Vlx 400: 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
Honda Vlx 400
83%
MOT pass rate · 4 vehicles
Verdict: On MOT pass rate the Honda Unknown (85%) and Honda Vlx 400 (83%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Honda Unknown | Honda Vlx 400 |
|---|---|---|
| MOT pass rate | 85% ✓ | 83% |
| MOT failure rate | 15% ✓ | 17% |
| Faults & advisories per test | 0.9 ✓ | 1.6 |
| Dangerous-fault share | 3% | 0% ✓ |
| Average mileage | 25,474 mi | 23,737 mi |
| Sample size (vehicles) | 1,041,859 | 4 |
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 Vlx 400
- Drive chain slightly loose (6.2.1d)
- Offside Front Shock absorber has a light misting of oil (5.3.2 (b))
- Drive chain worn but not considered excessive (6.2.1e)
- Offside Front shock absorber has light misting of stanchion (2.3.3)
- Front Mudguard very Close to Front tyre
- Nearside Front Front shock absorber seal failed and leaking oil (2.3.3)
Reliability FAQ
On MOT pass rate the Honda Unknown (85%) and Honda Vlx 400 (83%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Honda Unknown report Full Honda Vlx 400 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.