Hyundai I20 vs Hyundai Sonta: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Hyundai I20
80%
MOT pass rate · 135,974 vehicles
Hyundai Sonta
60%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Hyundai I20 (80%) and Hyundai Sonta (60%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Hyundai I20 | Hyundai Sonta |
|---|---|---|
| MOT pass rate | 80% ✓ | 60% |
| MOT failure rate | 20% ✓ | 40% |
| Faults & advisories per test | 1.6 | 0.8 ✓ |
| Dangerous-fault share | 3% | 0% ✓ |
| Average mileage | 69,554 mi | 116,398 mi |
| Sample size (vehicles) | 135,974 | 1 |
Most common faults
Hyundai I20
- Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Nearside 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 pad(s) wearing thin (1.1.13 (a) (ii))
- Offside Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c))
Hyundai Sonta
- Front registration plate deteriorated (6.3.1d)
- Nearside Steering rack gaiter insecure (2.2.D.2d)
- Offside Headlamp not working on main beam (1.7.5a)
- Stop lamp not working (1.2.1b)
- Nearside Headlamp aim too low (1.8)
- Offside Front position lamp(s) not working (1.1.A.3b)
Reliability FAQ
On MOT pass rate the Hyundai I20 (80%) and Hyundai Sonta (60%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Hyundai I20 report Full Hyundai Sonta 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.