Toyota YARIS - 1999
421.8 faults per 100 tests
Year average for all cars of 1999 is 349.1 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Toyota YARIS, model year 1999.
Sample size: 1,047 cars, 2,176 tests and 9,179 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: 1,047 cars
The 1999 Toyota Yaris has an overall defect rate of 422 per 100 vehicles, which is 22% higher than the yearly average of 345 per 100. Notably, the model exhibits significantly better performance in the braking and steering categories, with defect rates considerably lower than the average. However, it struggles with lights and electrics, showing a 68% higher defect rate compared to the average, and it also faces a substantial number of issues in wheels, suspensions, and axles. Mileage-related trends indicate that defect rates increase with higher mileage, particularly beyond 124,000 miles, where the Yaris shows more defects than average in that range.
Cars by mileage segment
Total: 1,047 cars
Categories
Brakes
▲ 31.9% better
104.4 faults / 100 tests
Year avg: 153.4 / 100 tests
- Brake pipe damaged or excessively corroded
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake pipe damaged or excessively corroded
- Brake lining or pad: worn below 1.5mm
- Brake hose ferrules: excessively corroded
Steering
▲ 86.5% better
3.5 faults / 100 tests
Year avg: 25.9 / 100 tests
- Power steering pipe, hose or wiring: excessively damaged or corroded
- Steering rack gaiter or ball joint dust cover: missing or no longer prevents the ingress of dirt etc.
- Steering rack gaiter or ball joint dust cover: damaged or deteriorated
- A steering ball joint: with excessive wear or free play
- A steering ball joint: with excessive wear or free play
Visibility
▼ 17.7% worse
31.3 faults / 100 tests
Year avg: 26.6 / 100 tests
- Wiper blade: defective
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
- Wiper blade: missing or obviously not clearing the windscreen
- Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
- Wiper blade: missing or obviously not clearing the windscreen
Lights & Electrics
▼ 69.5% worse
123.7 faults / 100 tests
Year avg: 73.0 / 100 tests
- 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
- A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
- Headlamp reflector or lens: slightly defective
- Lamp emitted colour, position or intensity not in accordance with the requirements
Wheels & Suspension
▼ 69.9% worse
453.5 faults / 100 tests
Year avg: 266.9 / 100 tests
- A spring: or spring component fractured or seriously weakened
- Tyre tread depth not in accordance with the requirements
- A suspension pin, bush, joint or bearing: excessively worn
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- A suspension component: excessively damaged or corroded
Body/Structure
▲ 6.1% better
71.8 faults / 100 tests
Year avg: 76.5 / 100 tests
- Exhaust system has a major leak or is insecure
- Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
- Body, cab or chassis: excessively corroded at mounting points
- Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
- Exhaust system has a major leak or is insecure
Equipment
▲ 44.3% better
10.7 faults / 100 tests
Year avg: 19.2 / 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
- A seat belt:
- 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
- A seat belt: webbing or flexible stalk significantly stretched or weakened
- Audible warning:
Other
▲ 20.5% better
44.9 faults / 100 tests
Year avg: 56.5 / 100 tests
- Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
- Emissions levels exceed default limits
- Emissions levels exceed the manufacturer’s specified limits
- Lambda coefficient outside the default limits or the range specified by the manufacturer
- Engine MIL inoperative or indicating a malfunction
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: 1,048
A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 712
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 497
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 451
Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 422
A suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 417
The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
ADVISORY
Occurrences: 413
The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
FAIL
Occurrences: 320
Exhaust system has a major leak or is insecure
ADVISORY
Occurrences: 287
Product on the lens or light source which obviously reduces light intensity or changes emitted colour to other than white or yellow
ADVISORY
Occurrences: 281
Serious faults (Top 10)
The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
FAIL
Occurrences: 320
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 156
Beam image obviously incorrect
FAIL
Occurrences: 122
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 90
Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
FAIL
Occurrences: 84
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 65
Exhaust system has a major leak or is insecure
FAIL
Occurrences: 60
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 58
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 58
Body, cab or chassis: excessively corroded at mounting points
FAIL
Occurrences: 55