Toyota Corolla vs Toyota Yaris t3: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Toyota Corolla
75%
MOT pass rate · 392,209 vehicles
Toyota Yaris t3
79%
MOT pass rate · 1,435 vehicles
More reliable
Verdict: On MOT pass rate, the Toyota Yaris t3 is the more reliable of the two — 79% pass first time versus 75%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Toyota Corolla | Toyota Yaris t3 |
|---|---|---|
| MOT pass rate | 75% | 79% ✓ |
| MOT failure rate | 25% | 21% ✓ |
| Faults & advisories per test | 1.7 | 0.0 ✓ |
| Dangerous-fault share | 1% | 1% |
| Average mileage | 111,428 mi | 114,787 mi |
| Sample size (vehicles) | 392,209 | 1,435 |
Most common faults
Toyota Corolla
- Nearside Front 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 Rear Tyre worn close to the legal limit (4.1.E.1)
- Offside Rear Tyre worn close to the legal limit (4.1.E.1)
- Front Brake pad(s) wearing thin (3.5.1g)
- Child seat fitted not allowing full inspection of adult belt
Toyota Yaris t3
- Nearside Rear Coil spring corroded (5.3.1 (b) (i))
- Offside Rear Coil spring corroded (5.3.1 (b) (i))
- Nearside Headlamp aim too low (1.8)
- Off side door mirror cover missing
- Offside Windscreen wiper does not clear the windscreen effectively (8.2.2)
- Rear Exhaust has a minor leak of exhaust gases (6.1.2 (a))
Reliability FAQ
On MOT pass rate, the Toyota Yaris t3 is the more reliable of the two — 79% pass first time versus 75%. It's one signal among several; check the full breakdown below.
Full Toyota Corolla report Full Toyota Yaris t3 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.