Toyota Aygo vs Toyota Grx120: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Toyota Aygo
81%
MOT pass rate · 285,772 vehicles
Toyota Grx120
78%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Toyota Aygo (81%) and Toyota Grx120 (78%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Toyota Aygo | Toyota Grx120 |
|---|---|---|
| MOT pass rate | 81% ✓ | 78% |
| MOT failure rate | 19% ✓ | 22% |
| Faults & advisories per test | 1.7 | 1.1 ✓ |
| Dangerous-fault share | 3% | 0% ✓ |
| Average mileage | 60,869 mi | 163,094 mi |
| Sample size (vehicles) | 285,772 | 1 |
Most common faults
Toyota Aygo
- 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))
- 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))
- Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))
- Front Brake pad(s) wearing thin (1.1.13 (a) (ii))
Toyota Grx120
- Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
- Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
- Rear Tyre worn close to legal limit/worn on edge both (5.2.3 (e))
- Nearside Front Position lamp not working (4.2.1 (a) (ii))
- Nearside Rear Position lamp not working (4.2.1 (a) (ii))
- Battery insecure but not likely to fall from carrier (4.13 (a) (i))
Reliability FAQ
On MOT pass rate the Toyota Aygo (81%) and Toyota Grx120 (78%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Toyota Aygo report Full Toyota Grx120 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.