2021 Toyota Corolla Icon -Hev Cvt — MOT failures & pass rate
Across 22,851 MOT tests analysed for the 2021 Toyota Corolla Icon -Hev Cvt, the most common recorded failure areas were visibility, tyres and lighting & signalling. Its pass rate of 93.4% was above the average for cars of a similar age (91.4%).
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Visibility | 4.3% | 994 |
| 2 | Tyres | 4.0% | 919 |
| 3 | Lighting & signalling | 2.2% | 496 |
| 4 | Brakes | 0.5% | 126 |
| 5 | Suspension | 0.2% | 47 |
| 6 | Body, structure & corrosion | 0.2% | 42 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Wipers | 812 |
| 2 | Headlamp aim | 396 |
| 3 | Washers | 287 |
| 4 | Tread depth | 252 |
| 5 | Tyre pressure monitoring system | 109 |
| 6 | Registration plate lamp(s) | 94 |
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 | 19.1% | 4,370 |
| 2 | Brakes | 8.5% | 1,951 |
| 3 | Other defects | 6.4% | 1,470 |
| 4 | Visibility | 3.8% | 874 |
| 5 | Lighting & signalling | 1.2% | 266 |
| 6 | Suspension | 0.6% | 134 |
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 | 8,491 | 4.7% |
| 30-60k | 8,829 | 7.4% |
| 60-90k | 3,575 | 8.1% |
| 90-120k | 1,298 | 7.9% |
| 120-150k | 415 | 8.9% |
| 150k+ | 243 | 9.5% |
Failure rate by age
By fuel type
| Fuel | Tests | Fail rate |
|---|---|---|
| HYBRID ELECTRIC (CLEAN) | 21,155 | 6.8% |
| Hybrid | 1,696 | 3.3% |
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2021 | 182 | 0.5% |
| 2022 | 474 | 2.7% |
| 2023 | 1,040 | 4.0% |
| 2024 | 10,592 | 6.9% |
| 2025 | 10,563 | 6.8% |
What to check before buying a 2021 Corolla Icon -Hev Cvt
Before buying a 2021 Toyota Corolla Icon -Hev Cvt, focus on the areas it most often fails on. Visibility accounted for 4.3% of tests for this year.
- Visibility (4.3% 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 (4.0% 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 (2.2% 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 Corolla Icon -Hev Cvts pass their MOT?
93.4% of the 22,851 2021 Toyota Corolla Icon -Hev Cvt MOT tests in this dataset passed — a 6.6% fail rate.
What is the most common MOT failure on a 2021 Toyota Corolla Icon -Hev Cvt?
Visibility, recorded in 4.3% of tests, followed by tyres (4.0%).
Does the 2021 Corolla Icon -Hev Cvt get worse with mileage?
Its MOT fail rate rises from 4.7% in the 0-30k band to 9.5% in the 150k+ band.
Methodology & source. Based on 22,851 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.