2021 Hyundai Kona Ultimate Gdi Hev S-A — MOT failures & pass rate
Across 3,715 MOT tests analysed for the 2021 Hyundai Kona Ultimate Gdi Hev S-A, the most common recorded failure areas were tyres, lighting & signalling and visibility. Its pass rate of 89.7% was below the average for cars of a similar age (91.2%). Higher-mileage examples failed more often — 15.4% in the 60-90k group versus 7.9% in the 0-30k group.
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Tyres | 6.8% | 252 |
| 2 | Lighting & signalling | 4.0% | 149 |
| 3 | Visibility | 3.0% | 112 |
| 4 | Brakes | 1.3% | 49 |
| 5 | Suspension | 1.3% | 47 |
| 6 | Other defects | 0.2% | 8 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Headlamp aim | 225 |
| 2 | Wipers | 113 |
| 3 | Pins and bushes | 71 |
| 4 | Electronic parking brake | 32 |
| 5 | Washers | 24 |
| 6 | Tread depth | 22 |
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 | 24.1% | 896 |
| 2 | Suspension | 6.2% | 230 |
| 3 | Other defects | 5.5% | 204 |
| 4 | Brakes | 4.0% | 148 |
| 5 | Visibility | 2.4% | 88 |
| 6 | Seat belts & restraints | 1.1% | 40 |
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 | 2,538 | 7.9% |
| 30-60k | 1,108 | 15.3% |
| 60-90k | 65 | 15.4% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2024 | 1,819 | 9.5% |
| 2025 | 1,879 | 11.1% |
What to check before buying a 2021 Kona Ultimate Gdi Hev S-A
Before buying a 2021 Hyundai Kona Ultimate Gdi Hev S-A, focus on the areas it most often fails on. Tyres accounted for 6.8% of tests for this year.
- Tyres (6.8% 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.
- Lighting & signalling (4.0% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
- Visibility (3.0% 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.
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 Ultimate Gdi Hev S-As pass their MOT?
89.7% of the 3,715 2021 Hyundai Kona Ultimate Gdi Hev S-A MOT tests in this dataset passed — a 10.3% fail rate.
What is the most common MOT failure on a 2021 Hyundai Kona Ultimate Gdi Hev S-A?
Tyres, recorded in 6.8% of tests, followed by lighting & signalling (4.0%).
Does the 2021 Kona Ultimate Gdi Hev S-A get worse with mileage?
Its MOT fail rate rises from 7.9% in the 0-30k band to 15.4% in the 60-90k band.
Methodology & source. Based on 3,715 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.