Toyota Yaris vs Toyota Z-r: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Toyota Yaris
78%
MOT pass rate · 631,425 vehicles
Toyota Z-r
100%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Toyota Yaris (78%) and Toyota Z-r (100%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Toyota Yaris | Toyota Z-r |
|---|---|---|
| MOT pass rate | 78% | 100% ✓ |
| MOT failure rate | 22% | 0% ✓ |
| Faults & advisories per test | 1.7 | 0.0 ✓ |
| Dangerous-fault share | 2% | — ✓ |
| Average mileage | 85,387 mi | 172,519 mi |
| Sample size (vehicles) | 631,425 | 1 |
Most common faults
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))
Toyota Z-r
No fault breakdown available.
Reliability FAQ
On MOT pass rate the Toyota Yaris (78%) and Toyota Z-r (100%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Toyota Yaris report Full Toyota Z-r 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.