2020 Toyota Gr Yaris Circuit 4Wd — MOT failures & pass rate
Across 515 MOT tests analysed for the 2020 Toyota Gr Yaris Circuit 4Wd, the most common recorded failure areas were tyres, emissions & environmental and visibility. Its pass rate of 95.0% was above the average for cars of a similar age (90.5%).
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Tyres | 3.1% | 16 |
| 2 | Emissions & environmental | 1.6% | 8 |
| 3 | Visibility | 1.2% | 6 |
| 4 | Lighting & signalling | 0.6% | 3 |
| 5 | Brakes | 0.6% | 3 |
| 6 | Other defects | 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 | Catalyst emissions | 14 |
| 2 | Washers | 4 |
| 3 | Tyre pressure monitoring system | 4 |
| 4 | Brake pads | 3 |
| 5 | Headlamp aim | 3 |
| 6 | Malfunction indicator lamp | 2 |
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 | 10.7% | 55 |
| 2 | Brakes | 7.0% | 36 |
| 3 | Other defects | 2.7% | 14 |
| 4 | Visibility | 1.4% | 7 |
| 5 | Suspension | 1.4% | 7 |
| 6 | Body, structure & corrosion | 1.4% | 7 |
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 | 437 | 4.8% |
| 30-60k | 72 | 6.9% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2023 | 149 | 5.4% |
| 2024 | 188 | 5.9% |
| 2025 | 178 | 3.9% |
What to check before buying a 2020 Gr Yaris Circuit 4Wd
Before buying a 2020 Toyota Gr Yaris Circuit 4Wd, focus on the areas it most often fails on. Tyres accounted for 3.1% of tests for this year.
- Tyres (3.1% 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.
- Emissions & environmental (1.6% of tests): More common on older diesels (DPF/EGR) — can be expensive; check for warning lights and smoke. Typical repair: £100–£600.
- Visibility (1.2% 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.
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 Gr Yaris Circuit 4Wds pass their MOT?
95.0% of the 515 2020 Toyota Gr Yaris Circuit 4Wd MOT tests in this dataset passed — a 5.1% fail rate.
What is the most common MOT failure on a 2020 Toyota Gr Yaris Circuit 4Wd?
Tyres, recorded in 3.1% of tests, followed by emissions & environmental (1.6%).
Does the 2020 Gr Yaris Circuit 4Wd get worse with mileage?
Its MOT fail rate rises from 4.8% in the 0-30k band to 6.9% in the 30-60k band.
Methodology & source. Based on 515 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.