Toyota Bb vs Toyota Corolla: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Toyota Bb
78%
MOT pass rate · 215 vehicles
More reliable
Toyota Corolla
75%
MOT pass rate · 392,209 vehicles
Verdict: On MOT pass rate, the Toyota Bb is the more reliable of the two — 78% pass first time versus 75%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Toyota Bb | Toyota Corolla |
|---|---|---|
| MOT pass rate | 78% ✓ | 75% |
| MOT failure rate | 22% ✓ | 25% |
| Faults & advisories per test | 1.9 | 1.7 ✓ |
| Dangerous-fault share | 2% | 1% ✓ |
| Average mileage | 132,670 mi | 111,428 mi |
| Sample size (vehicles) | 215 | 392,209 |
Most common faults
Toyota Bb
- Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Front Brake pad(s) wearing thin (1.1.13 (a) (ii))
- Offside Rear Axle swivel pins and bushes swivel pin and/or bush slightly worn (5.1.2 (b) (i))
- 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 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
Reliability FAQ
On MOT pass rate, the Toyota Bb is the more reliable of the two — 78% pass first time versus 75%. It's one signal among several; check the full breakdown below.
Full Toyota Bb report Full Toyota Corolla 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.