Toyota YARIS - 2004
401.1 faults per 100 tests
Year average for all cars of 2004 is 384.6 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Toyota YARIS, model year 2004.
Sample size: 13,615 cars, 30,475 tests and 122,239 recorded faults.
0%
More faults compared to the average car of same model year
More faults compared to the average car of same model year
Quick summary
Total: 13,615 cars
The 2004 Toyota Yaris has an overall defect rate of approximately 401 defects per 100 vehicles, which is 5% higher than the average for cars of the same year. Notably, this model performs significantly better than average in categories such as steering, equipment, and other defects, with reductions in defect rates of over 40%. However, it shows a higher incidence of issues related to lights and electrics, as well as wheels, suspensions, and axles, compared to the yearly average. Mileage trends indicate that defect rates increase substantially with higher mileage, particularly over 124,000 miles, aligning with broader patterns observed in vehicle maintenance.
Cars by mileage segment
Total: 13,615 cars
Categories
Brakes
▲ 3.9% better
157.8 faults / 100 tests
Year avg: 164.2 / 100 tests
- Brake pipe damaged or excessively corroded
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Significant brake effort recorded with no brake applied indicating a binding brake
- Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
- Brake lining or pad: worn below 1.5mm
Steering
▲ 75.1% better
6.2 faults / 100 tests
Year avg: 24.9 / 100 tests
- Steering rack gaiter or ball joint dust cover: damaged or deteriorated
- Free play in the steering, measured at the rim of the steering wheel is: excessive
- A steering ball joint: with excessive wear or free play
- 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.
Visibility
▼ 3.4% worse
30.3 faults / 100 tests
Year avg: 29.3 / 100 tests
- Wiper blade: missing or obviously not clearing the windscreen
- Wiper blade: defective
- Wiper blade: missing or obviously not clearing the windscreen
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
- Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
Lights & Electrics
▼ 26.0% worse
138.5 faults / 100 tests
Year avg: 109.9 / 100 tests
- Headlamp reflector or lens: slightly defective
- Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
- Product on the lens or light source which obviously reduces light intensity or changes emitted colour to other than white or yellow
- Beam image obviously incorrect
- Stop lamp(s): all missing or inoperative
Wheels & Suspension
▼ 21.4% worse
379.9 faults / 100 tests
Year avg: 312.9 / 100 tests
- A suspension pin, bush, joint or bearing: excessively worn
- Tyre tread depth not in accordance with the requirements
- A suspension component: excessively damaged or corroded
- A spring: or spring component fractured or seriously weakened
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
Body/Structure
▲ 11.5% better
56.3 faults / 100 tests
Year avg: 63.6 / 100 tests
- Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
- Body, cab or chassis: excessively corroded at mounting points
- Exhaust system has a major leak or is insecure
- Exhaust system has a major leak or is insecure
- A transmission shaft constant velocity joint boot: severely deteriorated
Equipment
▲ 49.3% better
7.0 faults / 100 tests
Year avg: 13.8 / 100 tests
- is significantly reduced or The strength or continuity of the load bearing structure within 30cm of any seat belt anchorage (a ’prescribed area’): inadequately repaired
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- is significantly reduced or The strength or continuity of the load bearing structure within 30cm of any seat belt anchorage (a ’prescribed area’): inadequately repaired
- Audible warning:
- A seat belt: webbing or flexible stalk significantly stretched or weakened
Other
▲ 48.3% better
26.1 faults / 100 tests
Year avg: 50.5 / 100 tests
- Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
- Lambda coefficient outside the default limits or the range specified by the manufacturer
- Engine MIL inoperative or indicating a malfunction
- Engine MIL inoperative or indicating a malfunction
- Emissions test unable to be completed
Fault rate by mileage segment
Model
Year average
* Metric: faults per 100 tests.
Most common faults (Top 10)
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 12,137
A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 7,724
Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 6,977
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 6,773
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 6,315
A suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 6,105
The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
ADVISORY
Occurrences: 5,447
Product on the lens or light source which obviously reduces light intensity or changes emitted colour to other than white or yellow
ADVISORY
Occurrences: 3,772
Headlamp reflector or lens: slightly defective
MINOR
Occurrences: 3,341
Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
ADVISORY
Occurrences: 2,558
Serious faults (Top 10)
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 2,029
Beam image obviously incorrect
FAIL
Occurrences: 1,855
The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
FAIL
Occurrences: 1,554
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 1,425
Stop lamp(s): all missing or inoperative
FAIL
Occurrences: 1,183
Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
FAIL
Occurrences: 1,074
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 1,031
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 869
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 785
A rear registration plate lamp or light source missing or inoperative: when rear registration plate has only one lamp or all lamps not working
FAIL
Occurrences: 780