2020 Toyota Corolla Trek Hev Cvt — MOT failures & pass rate
Across 574 MOT tests analysed for the 2020 Toyota Corolla Trek Hev Cvt, the most common recorded failure areas were tyres, visibility and lighting & signalling. Its pass rate of 92.3% was above the average for cars of a similar age (90.6%).
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Tyres | 5.9% | 34 |
| 2 | Visibility | 3.3% | 19 |
| 3 | Lighting & signalling | 2.3% | 13 |
| 4 | Brakes | 0.7% | 4 |
| 5 | Other defects | 0.4% | 2 |
| 6 | Emissions & environmental | 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 | 20 |
| 2 | Headlamp aim | 11 |
| 3 | Tread depth | 8 |
| 4 | Brake discs | 4 |
| 5 | Tyre pressure monitoring system | 4 |
| 6 | Registration plates | 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 | 17.1% | 98 |
| 2 | Brakes | 9.2% | 53 |
| 3 | Other defects | 4.7% | 27 |
| 4 | Visibility | 2.6% | 15 |
| 5 | Suspension | 1.1% | 6 |
| 6 | Road wheels | 0.5% | 3 |
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 | 259 | 7.0% |
| 30-60k | 224 | 7.6% |
| 60-90k | 52 | 7.7% |
Failure rate by age
By fuel type
| Fuel | Tests | Fail rate |
|---|---|---|
| HYBRID ELECTRIC (CLEAN) | 374 | 8.3% |
| Hybrid | 200 | 6.5% |
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2023 | 180 | 6.1% |
| 2024 | 183 | 7.1% |
| 2025 | 191 | 9.4% |
What to check before buying a 2020 Corolla Trek Hev Cvt
Before buying a 2020 Toyota Corolla Trek Hev Cvt, focus on the areas it most often fails on. Tyres accounted for 5.9% of tests for this year.
- Tyres (5.9% 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 (3.3% 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.
- Lighting & signalling (2.3% 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 Toyota Corolla Trek Hev Cvts pass their MOT?
92.3% of the 574 2020 Toyota Corolla Trek Hev Cvt MOT tests in this dataset passed — a 7.7% fail rate.
What is the most common MOT failure on a 2020 Toyota Corolla Trek Hev Cvt?
Tyres, recorded in 5.9% of tests, followed by visibility (3.3%).
Does the 2020 Corolla Trek Hev Cvt get worse with mileage?
Its MOT fail rate rises from 7.0% in the 0-30k band to 7.7% in the 60-90k band.
Methodology & source. Based on 574 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.