2021 Hyundai I20 Connect Mhev T-Gdi — MOT failures & pass rate
Across 3,490 MOT tests analysed for the 2021 Hyundai I20 Connect Mhev T-Gdi, the most common recorded failure areas were visibility, lighting & signalling and tyres. Its pass rate of 92.6% was above the average for cars of a similar age (91.2%). Higher-mileage examples failed more often — 13.9% in the 60-90k group versus 6.5% in the 0-30k group.
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Visibility | 6.5% | 227 |
| 2 | Lighting & signalling | 2.5% | 86 |
| 3 | Tyres | 1.9% | 67 |
| 4 | Brakes | 1.5% | 53 |
| 5 | Emissions & environmental | 0.5% | 17 |
| 6 | Suspension | 0.3% | 11 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Wipers | 262 |
| 2 | Headlamp aim | 66 |
| 3 | Washers | 37 |
| 4 | Brake pads | 19 |
| 5 | Service brake performance | 15 |
| 6 | Tread depth | 14 |
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 | 12.8% | 448 |
| 2 | Brakes | 7.3% | 254 |
| 3 | Other defects | 5.1% | 178 |
| 4 | Visibility | 3.1% | 108 |
| 5 | Suspension | 1.1% | 40 |
| 6 | Lighting & signalling | 0.5% | 18 |
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 | 2,461 | 6.5% |
| 30-60k | 947 | 9.3% |
| 60-90k | 79 | 13.9% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2023 | 59 | 10.2% |
| 2024 | 1,712 | 7.5% |
| 2025 | 1,718 | 7.3% |
What to check before buying a 2021 I20 Connect Mhev T-Gdi
Before buying a 2021 Hyundai I20 Connect Mhev T-Gdi, focus on the areas it most often fails on. Visibility accounted for 6.5% of tests for this year.
- Visibility (6.5% 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 (2.5% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
- Tyres (1.9% 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.
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 2021 Hyundai I20 Connect Mhev T-Gdis pass their MOT?
92.6% of the 3,490 2021 Hyundai I20 Connect Mhev T-Gdi MOT tests in this dataset passed — a 7.4% fail rate.
What is the most common MOT failure on a 2021 Hyundai I20 Connect Mhev T-Gdi?
Visibility, recorded in 6.5% of tests, followed by lighting & signalling (2.5%).
Does the 2021 I20 Connect Mhev T-Gdi get worse with mileage?
Its MOT fail rate rises from 6.5% in the 0-30k band to 13.9% in the 60-90k band.
Methodology & source. Based on 3,490 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.