2021 Toyota Corolla Trek Hev Cvt — MOT failures & pass rate
Across 505 MOT tests analysed for the 2021 Toyota Corolla Trek Hev Cvt, the most common recorded failure areas were visibility, tyres and lighting & signalling. Its pass rate of 93.7% was above the average for cars of a similar age (91.3%).
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Visibility | 4.5% | 23 |
| 2 | Tyres | 4.4% | 22 |
| 3 | Lighting & signalling | 1.4% | 7 |
| 4 | Steering | 0.4% | 2 |
| 5 | Suspension | 0.2% | 1 |
| 6 | Seat belts & restraints | 0.2% | 1 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Wipers | 17 |
| 2 | Headlamp aim | 7 |
| 3 | Washers | 7 |
| 4 | Tread depth | 5 |
| 5 | Attachment | 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 | 16.2% | 82 |
| 2 | Brakes | 9.1% | 46 |
| 3 | Other defects | 5.5% | 28 |
| 4 | Visibility | 5.0% | 25 |
| 5 | Suspension | 1.0% | 5 |
| 6 | Lighting & signalling | 0.8% | 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 | 209 | 4.8% |
| 30-60k | 214 | 7.9% |
| 60-90k | 48 | 4.2% |
Failure rate by age
By fuel type
| Fuel | Tests | Fail rate |
|---|---|---|
| HYBRID ELECTRIC (CLEAN) | 471 | 6.8% |
| Hybrid | 34 | 0.0% |
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2024 | 229 | 7.0% |
| 2025 | 242 | 6.6% |
What to check before buying a 2021 Corolla Trek Hev Cvt
Before buying a 2021 Toyota Corolla Trek Hev Cvt, focus on the areas it most often fails on. Visibility accounted for 4.5% of tests for this year.
- Visibility (4.5% 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 (4.4% 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 (1.4% 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 Corolla Trek Hev Cvts pass their MOT?
93.7% of the 505 2021 Toyota Corolla Trek Hev Cvt MOT tests in this dataset passed — a 6.3% fail rate.
What is the most common MOT failure on a 2021 Toyota Corolla Trek Hev Cvt?
Visibility, recorded in 4.5% of tests, followed by tyres (4.4%).
Does the 2021 Corolla Trek Hev Cvt get worse with mileage?
Its MOT fail rate rises from 4.8% in the 0-30k band to 4.2% in the 60-90k band.
Methodology & source. Based on 505 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.