Toyota Corolla vs Toyota Yaris sr: 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 sr
82%
MOT pass rate · 331 vehicles
More reliable
Verdict: On MOT pass rate, the Toyota Yaris sr is the more reliable of the two — 82% pass first time versus 75%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Toyota Corolla | Toyota Yaris sr |
|---|---|---|
| MOT pass rate | 75% | 82% ✓ |
| MOT failure rate | 25% | 18% ✓ |
| Faults & advisories per test | 1.7 | 0.1 ✓ |
| Dangerous-fault share | 1% ✓ | 3% |
| Average mileage | 111,428 mi | 106,880 mi |
| Sample size (vehicles) | 392,209 | 331 |
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 sr
- Nearside Front Tyre worn close to the legal limit (4.1.E.1)
- Integral body structure is corroded but structural rigidity is not significantly reduced (6.1.1 (c) (i))
- Offside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c))
- Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c))
- Fuel Pipe/s corroded
- Offside Front Brake hose slightly twisted (1.1.12 (b) (i))
Reliability FAQ
On MOT pass rate, the Toyota Yaris sr is the more reliable of the two — 82% pass first time versus 75%. It's one signal among several; check the full breakdown below.
Full Toyota Corolla report Full Toyota Yaris sr 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.