2020 Hyundai I20 Mhev T-Gdi — MOT failures & pass rate
Across 426 MOT tests analysed for the 2020 Hyundai I20 Mhev T-Gdi, the most common recorded failure areas were tyres, visibility and lighting & signalling. Its pass rate of 91.3% was in line with the average for cars of a similar age (90.5%).
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Tyres | 5.6% | 24 |
| 2 | Visibility | 4.5% | 19 |
| 3 | Lighting & signalling | 0.9% | 4 |
| 4 | Brakes | 0.7% | 3 |
| 5 | Suspension | 0.7% | 3 |
| 6 | Other defects | 0.2% | 1 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Wipers | 19 |
| 2 | Tread depth | 7 |
| 3 | Headlamp aim | 4 |
| 4 | Washers | 4 |
| 5 | Wheel bearings | 2 |
| 6 | Brake discs | 2 |
Top advisory categories
Advisories aren't failures, but they flag work likely needed soon — useful when budgeting.
| # | Category | % of tests with advisory | Tests |
|---|---|---|---|
| 1 | Tyres | 18.8% | 80 |
| 2 | Other defects | 5.2% | 22 |
| 3 | Brakes | 4.9% | 21 |
| 4 | Visibility | 3.0% | 13 |
| 5 | Suspension | 1.2% | 5 |
| 6 | Seat belts & restraints | 0.9% | 4 |
Failure rate by mileage
Higher-mileage cars tend to fail more — often the most useful guide to real condition.
| Mileage band | Tests | Fail rate |
|---|---|---|
| 0-30k | 306 | 7.2% |
| 30-60k | 113 | 13.3% |
Failure rate by age
By fuel type
| Fuel | Tests | Fail rate |
|---|---|---|
| Hybrid | 316 | 9.2% |
| Petrol | 110 | 7.3% |
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2023 | 129 | 3.1% |
| 2024 | 145 | 8.3% |
| 2025 | 152 | 13.8% |
What to check before buying a 2020 I20 Mhev T-Gdi
Before buying a 2020 Hyundai I20 Mhev T-Gdi, focus on the areas it most often fails on. Tyres accounted for 5.6% of tests for this year.
- Tyres (5.6% of tests): Usually a quick, known-cost fix, but check tread, age and uneven wear (which can hint at alignment or suspension issues). Typical repair: £50–£120 per tyre.
- Visibility (4.5% of tests): Wipers, washers, mirrors and screen damage — usually inexpensive, but check for chips in the driver's line of sight. Typical repair: £15–£150.
- Lighting & signalling (0.9% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
Repair costs are rough UK ballpark ranges to set expectations, not quotes — actual prices vary widely by car, parts and garage.
Frequently asked questions
How many 2020 Hyundai I20 Mhev T-Gdis pass their MOT?
91.3% of the 426 2020 Hyundai I20 Mhev T-Gdi MOT tests in this dataset passed — a 8.7% fail rate.
What is the most common MOT failure on a 2020 Hyundai I20 Mhev T-Gdi?
Tyres, recorded in 5.6% of tests, followed by visibility (4.5%).
Does the 2020 I20 Mhev T-Gdi get worse with mileage?
Its MOT fail rate rises from 7.2% in the 0-30k band to 13.3% in the 30-60k band.
Methodology & source. Based on 426 MOT tests. Dataset: DVSA MOT testing data (2021,2022,2023,2024,2025). Data last updated 2026-07-01. Figures reflect MOT-testable defects only — read the methodology for how these are calculated and what they don't measure.