Honda Jazz vs Honda S-mx: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Honda Jazz
81%
MOT pass rate · 404,148 vehicles
More reliable
Honda S-mx
66%
MOT pass rate · 69 vehicles
Verdict: On MOT pass rate, the Honda Jazz is the more reliable of the two — 81% pass first time versus 66%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Honda Jazz | Honda S-mx |
|---|---|---|
| MOT pass rate | 81% ✓ | 66% |
| MOT failure rate | 19% ✓ | 34% |
| Faults & advisories per test | 1.7 ✓ | 3.0 |
| Dangerous-fault share | 2% | 1% ✓ |
| Average mileage | 77,994 mi | 165,734 mi |
| Sample size (vehicles) | 404,148 | 69 |
Most common faults
Honda Jazz
- Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
- Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
- Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Nearside Front Tyre worn close to the legal limit (4.1.E.1)
- Front Brake pad(s) wearing thin (1.1.13 (a) (ii))
Honda S-mx
- Front Brake pad(s) wearing thin (3.5.1g)
- Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
- Offside Front Tyre worn close to the legal limit (4.1.E.1)
- Nearside Front Tyre worn close to the legal limit (4.1.E.1)
- Offside Rear Tyre worn close to the legal limit (4.1.E.1)
- Oil leak, but not excessive (8.4.1 (a) (i))
Reliability FAQ
On MOT pass rate, the Honda Jazz is the more reliable of the two — 81% pass first time versus 66%. It's one signal among several; check the full breakdown below.
Full Honda Jazz report Full Honda S-mx 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.