2021 Hyundai Kona T-Gdi Mhev — MOT failures & pass rate
Across 2,946 MOT tests analysed for the 2021 Hyundai Kona T-Gdi Mhev, the most common recorded failure areas were tyres, visibility and lighting & signalling. Its pass rate of 92.1% was in line with the average for cars of a similar age (91.2%).
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Tyres | 3.6% | 106 |
| 2 | Visibility | 3.4% | 101 |
| 3 | Lighting & signalling | 1.5% | 44 |
| 4 | Suspension | 1.3% | 39 |
| 5 | Brakes | 1.1% | 34 |
| 6 | Emissions & environmental | 0.3% | 8 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Wipers | 98 |
| 2 | Tread depth | 56 |
| 3 | Pins and bushes | 53 |
| 4 | Headlamp aim | 36 |
| 5 | Washers | 26 |
| 6 | Brake pads | 23 |
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 | 17.0% | 501 |
| 2 | Brakes | 8.5% | 250 |
| 3 | Other defects | 6.8% | 199 |
| 4 | Suspension | 5.7% | 167 |
| 5 | Visibility | 2.7% | 79 |
| 6 | Seat belts & restraints | 0.6% | 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 | 1,800 | 6.1% |
| 30-60k | 1,094 | 10.9% |
| 60-90k | 50 | 10.0% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2024 | 1,438 | 6.9% |
| 2025 | 1,482 | 8.9% |
What to check before buying a 2021 Kona T-Gdi Mhev
Before buying a 2021 Hyundai Kona T-Gdi Mhev, focus on the areas it most often fails on. Tyres accounted for 3.6% of tests for this year.
- Tyres (3.6% 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 (3.4% 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 (1.5% 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 2021 Hyundai Kona T-Gdi Mhevs pass their MOT?
92.1% of the 2,946 2021 Hyundai Kona T-Gdi Mhev MOT tests in this dataset passed — a 7.9% fail rate.
What is the most common MOT failure on a 2021 Hyundai Kona T-Gdi Mhev?
Tyres, recorded in 3.6% of tests, followed by visibility (3.4%).
Does the 2021 Kona T-Gdi Mhev get worse with mileage?
Its MOT fail rate rises from 6.1% in the 0-30k band to 10.0% in the 60-90k band.
Methodology & source. Based on 2,946 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.