Hyundai I30 vs Hyundai Sonata v6 aut: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Hyundai I30
76%
MOT pass rate · 127,165 vehicles
Hyundai Sonata v6 aut
64%
MOT pass rate · 23 vehicles
Verdict: On MOT pass rate the Hyundai I30 (76%) and Hyundai Sonata v6 aut (64%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Hyundai I30 | Hyundai Sonata v6 aut |
|---|---|---|
| MOT pass rate | 76% ✓ | 64% |
| MOT failure rate | 24% ✓ | 36% |
| Faults & advisories per test | 1.9 | 1.5 ✓ |
| Dangerous-fault share | 4% | 0% ✓ |
| Average mileage | 88,676 mi | 104,330 mi |
| Sample size (vehicles) | 127,165 | 23 |
Most common faults
Hyundai I30
- 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))
- Front Brake pad(s) wearing thin (1.1.13 (a) (ii))
- Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
- Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))
Hyundai Sonata v6 aut
- Exhaust emissions carbon monoxide content after 2nd fast idle excessive (7.3.D.3)
- Oil leak
- Front Tyre worn close to the legal limit (4.1.E.1)
- Nearside Front Brake pad(s) less than 1.5 mm thick (3.5.1g)
- Offside Front Tyre tread depth below requirements of 1.6mm (4.1.E.1)
- Exhaust has part of the system slightly deteriorated (7.1.1a)
Reliability FAQ
On MOT pass rate the Hyundai I30 (76%) and Hyundai Sonata v6 aut (64%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Hyundai I30 report Full Hyundai Sonata v6 aut 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.