Hyundai I20 vs Hyundai Pony sonnet x: 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 Pony sonnet x
74%
MOT pass rate · 9 vehicles
Verdict: On MOT pass rate the Hyundai I20 (80%) and Hyundai Pony sonnet x (74%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Hyundai I20 | Hyundai Pony sonnet x |
|---|---|---|
| MOT pass rate | 80% ✓ | 74% |
| MOT failure rate | 20% ✓ | 26% |
| Faults & advisories per test | 1.6 | 1.6 |
| Dangerous-fault share | 3% | 0% ✓ |
| Average mileage | 69,554 mi | 73,139 mi |
| Sample size (vehicles) | 135,974 | 9 |
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 Pony sonnet x
- Offside Front Tyre worn close to the legal limit (4.1.E.1)
- Parking brake lever has no reserve travel (3.1.6b)
- Parking brake: efficiency below requirements (3.7.B.7)
- Nearside Front Tyre worn close to the legal limit (4.1.E.1)
- Front Brake pad(s) wearing thin (3.5.1g)
- Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
Reliability FAQ
On MOT pass rate the Hyundai I20 (80%) and Hyundai Pony sonnet x (74%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Hyundai I20 report Full Hyundai Pony sonnet x 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.