2021 Toyota Yaris Icon Hev Cvt — MOT failures & pass rate
Across 12,806 MOT tests analysed for the 2021 Toyota Yaris Icon Hev Cvt, the most common recorded failure areas were tyres, visibility and lighting & signalling. Its pass rate of 94.5% was above the average for cars of a similar age (91.2%). Higher-mileage examples failed more often — 18.4% in the 90-120k group versus 4.5% in the 0-30k group.
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Tyres | 3.4% | 437 |
| 2 | Visibility | 3.4% | 433 |
| 3 | Lighting & signalling | 2.4% | 305 |
| 4 | Suspension | 0.5% | 68 |
| 5 | Brakes | 0.4% | 51 |
| 6 | Seat belts & restraints | 0.2% | 22 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Wipers | 322 |
| 2 | Headlamp aim | 213 |
| 3 | Washers | 195 |
| 4 | Tread depth | 131 |
| 5 | Headlamp | 70 |
| 6 | Shock absorbers | 62 |
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 | 19.7% | 2,522 |
| 2 | Brakes | 7.6% | 975 |
| 3 | Other defects | 4.9% | 628 |
| 4 | Visibility | 2.8% | 356 |
| 5 | Suspension | 1.0% | 133 |
| 6 | Lighting & signalling | 0.6% | 78 |
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 | 9,157 | 4.5% |
| 30-60k | 3,150 | 7.4% |
| 60-90k | 407 | 11.6% |
| 90-120k | 76 | 18.4% |
Failure rate by age
By fuel type
| Fuel | Tests | Fail rate |
|---|---|---|
| HYBRID ELECTRIC (CLEAN) | 12,492 | 5.5% |
| Hybrid | 314 | 4.8% |
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2023 | 307 | 4.9% |
| 2024 | 6,228 | 5.2% |
| 2025 | 6,264 | 5.8% |
What to check before buying a 2021 Yaris Icon Hev Cvt
Before buying a 2021 Toyota Yaris Icon Hev Cvt, focus on the areas it most often fails on. Tyres accounted for 3.4% of tests for this year.
- 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.
- 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 (2.4% 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 Toyota Yaris Icon Hev Cvts pass their MOT?
94.5% of the 12,806 2021 Toyota Yaris Icon Hev Cvt MOT tests in this dataset passed — a 5.5% fail rate.
What is the most common MOT failure on a 2021 Toyota Yaris Icon Hev Cvt?
Tyres, recorded in 3.4% of tests, followed by visibility (3.4%).
Does the 2021 Yaris Icon Hev Cvt get worse with mileage?
Its MOT fail rate rises from 4.5% in the 0-30k band to 18.4% in the 90-120k band.
Methodology & source. Based on 12,806 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.