Honda Unknown vs Honda Vfr400z: 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 Vfr400z
79%
MOT pass rate · 3 vehicles
Verdict: On MOT pass rate the Honda Unknown (85%) and Honda Vfr400z (79%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Honda Unknown | Honda Vfr400z |
|---|---|---|
| MOT pass rate | 85% ✓ | 79% |
| MOT failure rate | 15% ✓ | 21% |
| Faults & advisories per test | 0.9 ✓ | 1.8 |
| Dangerous-fault share | 3% | 0% ✓ |
| Average mileage | 25,474 mi | 55,124 mi |
| Sample size (vehicles) | 1,041,859 | 3 |
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 Vfr400z
- Rear Upper Exhaust mounting deteriorated. (7.1.1.c)
- Offside Front Front shock absorber has light misting of stanchion (2.3.3)
- Rear suspension bush has slight free play (2.4.A2a(i))
- front tyre deterorated
- rear tyre deteriorated
- Rear Exhaust noisy (7.1.2)
Reliability FAQ
On MOT pass rate the Honda Unknown (85%) and Honda Vfr400z (79%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Honda Unknown report Full Honda Vfr400z 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.