2021 Hyundai Tucson Tgdi Phev 4X4 A — MOT failures & pass rate
Across 768 MOT tests analysed for the 2021 Hyundai Tucson Tgdi Phev 4X4 A, the most common recorded failure areas were tyres, visibility and emissions & environmental. Its pass rate of 91.0% 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 | 5.3% | 41 |
| 2 | Visibility | 3.9% | 30 |
| 3 | Emissions & environmental | 2.5% | 19 |
| 4 | Lighting & signalling | 0.8% | 6 |
| 5 | Brakes | 0.7% | 5 |
| 6 | Seat belts & restraints | 0.4% | 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 | 34 |
| 2 | Malfunction indicator lamp | 18 |
| 3 | Headlamp aim | 5 |
| 4 | Washers | 4 |
| 5 | Tread depth | 4 |
| 6 | Tyre pressure monitoring system | 3 |
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 | 21.5% | 165 |
| 2 | Other defects | 6.6% | 51 |
| 3 | Brakes | 3.1% | 24 |
| 4 | Visibility | 2.1% | 16 |
| 5 | Emissions & environmental | 0.8% | 6 |
| 6 | Seat belts & restraints | 0.5% | 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 | 304 | 7.6% |
| 30-60k | 369 | 10.3% |
| 60-90k | 71 | 5.6% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2024 | 379 | 8.4% |
| 2025 | 386 | 9.6% |
What to check before buying a 2021 Tucson Tgdi Phev 4X4 A
Before buying a 2021 Hyundai Tucson Tgdi Phev 4X4 A, focus on the areas it most often fails on. Tyres accounted for 5.3% of tests for this year.
- Tyres (5.3% 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 (3.9% 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.
- Emissions & environmental (2.5% of tests): More common on older diesels (DPF/EGR) — can be expensive; check for warning lights and smoke. Typical repair: £100–£600.
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 Tucson Tgdi Phev 4X4 As pass their MOT?
91.0% of the 768 2021 Hyundai Tucson Tgdi Phev 4X4 A MOT tests in this dataset passed — a 9.0% fail rate.
What is the most common MOT failure on a 2021 Hyundai Tucson Tgdi Phev 4X4 A?
Tyres, recorded in 5.3% of tests, followed by visibility (3.9%).
Does the 2021 Tucson Tgdi Phev 4X4 A get worse with mileage?
Its MOT fail rate rises from 7.6% in the 0-30k band to 5.6% in the 60-90k band.
Methodology & source. Based on 768 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.