2020 Hyundai Ioniq First Hev S-A — MOT failures & pass rate
Across 1,056 MOT tests analysed for the 2020 Hyundai Ioniq First Hev S-A, the most common recorded failure areas were visibility, tyres and lighting & signalling. Its pass rate of 91.7% was in line with the average for cars of a similar age (90.8%).
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Visibility | 3.5% | 37 |
| 2 | Tyres | 3.4% | 36 |
| 3 | Lighting & signalling | 2.8% | 29 |
| 4 | Brakes | 1.8% | 19 |
| 5 | Emissions & environmental | 0.4% | 4 |
| 6 | Body, structure & corrosion | 0.3% | 3 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Wipers | 50 |
| 2 | Headlamp levelling device | 17 |
| 3 | Headlamp aim | 17 |
| 4 | Tread depth | 15 |
| 5 | Rbt (sp) | 9 |
| 6 | Brake discs | 8 |
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 | 20.2% | 213 |
| 2 | Brakes | 5.9% | 62 |
| 3 | Other defects | 5.0% | 53 |
| 4 | Visibility | 2.1% | 22 |
| 5 | Suspension | 0.9% | 9 |
| 6 | Body, structure & corrosion | 0.8% | 8 |
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 | 497 | 8.6% |
| 30-60k | 359 | 8.4% |
| 60-90k | 132 | 7.6% |
| 90-120k | 45 | 6.7% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2022 | 87 | 10.3% |
| 2023 | 329 | 6.7% |
| 2024 | 319 | 9.4% |
| 2025 | 314 | 8.6% |
What to check before buying a 2020 Ioniq First Hev S-A
Before buying a 2020 Hyundai Ioniq First Hev S-A, focus on the areas it most often fails on. Visibility accounted for 3.5% of tests for this year.
- Visibility (3.5% 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.
- Tyres (3.4% 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 (2.8% 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 Ioniq First Hev S-As pass their MOT?
91.7% of the 1,056 2020 Hyundai Ioniq First Hev S-A MOT tests in this dataset passed — a 8.3% fail rate.
What is the most common MOT failure on a 2020 Hyundai Ioniq First Hev S-A?
Visibility, recorded in 3.5% of tests, followed by tyres (3.4%).
Does the 2020 Ioniq First Hev S-A get worse with mileage?
Its MOT fail rate rises from 8.6% in the 0-30k band to 6.7% in the 90-120k band.
Methodology & source. Based on 1,056 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.