Toyota YARIS - 2020
75.3 faults per 100 tests
Year average for all cars of 2020 is 91.3 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Toyota YARIS, model year 2020.
Sample size: 21,056 cars, 41,520 tests and 31,257 recorded faults.
0%
Less faults compared to the average car of same model year
Less faults compared to the average car of same model year
Quick summary
Total: 21,056 cars
The 2020 Toyota Yaris has a lower overall defect rate of 75 defects per 100 vehicles, significantly better than the average of 90 defects per 100 vehicles for its year, resulting in a 16% improvement. While tyre wear is a common issue across many vehicles, the Yaris excels particularly in categories such as brakes, steering, and body structure, showing much lower defect rates compared to the yearly average. It performs exceptionally well in steering, with only 0.08 defects per 100 vehicles compared to 1.44 in the average, and has minimal issues in brakes as well. Mileage trends indicate a steady increase in defects with higher mileage, but the Yaris maintains a competitive edge in overall reliability.
Cars by mileage segment
Total: 21,056 cars
Categories
Brakes
▲ 37.2% better
31.9 faults / 100 tests
Year avg: 50.8 / 100 tests
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake disc or drum: significantly and obviously worn
- Brake lining or pad: worn below 1.5mm
- Brake lining or pad: worn below 1.5mm
- Significant brake effort recorded with no brake applied indicating a binding brake
Steering
▲ 93.3% better
0.1 faults / 100 tests
Year avg: 1.5 / 100 tests
- Steering rack gaiter or ball joint dust cover: damaged or deteriorated
- A steering linkage component: fractured or deformed to the extent that steering is affected
- A steering ball joint: with excessive wear or free play
- Steering rack gaiter or ball joint dust cover: missing or no longer prevents the ingress of dirt etc.
- Free play in the steering, measured at the rim of the steering wheel is: excessive
Visibility
▲ 0.0% better
14.1 faults / 100 tests
Year avg: 14.1 / 100 tests
- Wiper blade: missing or obviously not clearing the windscreen
- Wiper blade: missing or obviously not clearing the windscreen
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
- Wiper blade: defective
- Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
Lights & Electrics
▲ 25.9% better
8.3 faults / 100 tests
Year avg: 11.2 / 100 tests
- The aim of a headlamp is not within limits laid down in the requirements
- A lens defective: which has no effect on emitted light
- A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
- A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
- A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
Wheels & Suspension
▲ 2.9% better
94.7 faults / 100 tests
Year avg: 97.5 / 100 tests
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
- Tyre tread depth not in accordance with the requirements
- A shock absorber damaged … or showing signs of severe leakage
- A suspension pin, bush, joint or bearing: excessively worn
Body/Structure
▲ 83.3% better
0.4 faults / 100 tests
Year avg: 2.4 / 100 tests
- A main load-bearing structural member: fractured or deformed such that structural rigidity is significantly reduced
- A body panel or body component: damaged or corroded and likely to cause injury when grazed or contacted, or insecure
- A transmission shaft constant velocity joint boot: severely deteriorated
- Bumper: insecure or with damage likely to cause injury when grazed or contacted
- A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
Equipment
▲ 53.3% better
0.7 faults / 100 tests
Year avg: 1.5 / 100 tests
- A seat belt: or flexible stalk damaged
- Seat belt buckle missing, damaged or not functioning as intended
- A seat belt: webbing or flexible stalk significantly stretched or weakened
- A seat belt:
- Seat belt buckle missing, damaged or not functioning as intended
Other
▲ 91.9% better
0.3 faults / 100 tests
Year avg: 3.7 / 100 tests
- Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
- Any part of the noise suppression system: insecure
- Exhaust emits excessive dense blue or clearly visible black smoke during acceleration which would obscure the view of other road users
- Lambda coefficient outside the default limits or the range specified by the manufacturer
- Emissions levels exceed default limits
Fault rate by mileage segment
Model
Year average
* Metric: faults per 100 tests.
Most common faults (Top 10)
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 8,461
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 6,293
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 3,885
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 1,079
A shock absorber damaged … or showing signs of severe leakage
ADVISORY
Occurrences: 1,029
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 822
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 807
Wiper blade: missing or obviously not clearing the windscreen
PRS
Occurrences: 803
Wiper blade: defective
MINOR
Occurrences: 694
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 656
Serious faults (Top 10)
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 547
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 413
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 390
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 359
A shock absorber damaged … or showing signs of severe leakage
FAIL
Occurrences: 176
A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
FAIL
Occurrences: 160
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 152
A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
FAIL
Occurrences: 150
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 134
Tyre pressure monitoring system malfunctioning or obviously not working
FAIL
Occurrences: 86