Toyota Dyna vs Toyota Yaris: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Toyota Dyna
70%
MOT pass rate · 3,660 vehicles
Toyota Yaris
78%
MOT pass rate · 631,425 vehicles
More reliable
Verdict: On MOT pass rate, the Toyota Yaris is the more reliable of the two — 78% pass first time versus 70%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Toyota Dyna | Toyota Yaris |
|---|---|---|
| MOT pass rate | 70% | 78% ✓ |
| MOT failure rate | 30% | 22% ✓ |
| Faults & advisories per test | 2.6 | 1.7 ✓ |
| Dangerous-fault share | 2% | 2% |
| Average mileage | 128,101 mi | 85,387 mi |
| Sample size (vehicles) | 3,660 | 631,425 |
Most common faults
Toyota Dyna
- Oil leak, but not excessive (8.4.1 (a) (i))
- Offside Rear Tyre worn close to the legal limit (4.1.E.1)
- Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
- Windscreen has damage to an area less than a 40mm circle outside zone 'A' (8.3.1d)
- Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i))
- Parking brake: efficiency below requirements (3.7.B.7)
Toyota Yaris
- Nearside Front Tyre worn close to the legal limit (4.1.E.1)
- Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Offside Front Tyre worn close to the legal limit (4.1.E.1)
- Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
- Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
Reliability FAQ
On MOT pass rate, the Toyota Yaris is the more reliable of the two — 78% pass first time versus 70%. It's one signal among several; check the full breakdown below.
Full Toyota Dyna report Full Toyota Yaris 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.