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Toyota YARIS - 2003

401.6 faults per 100 tests
Year average for all cars of 2003 is 380.4 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Toyota YARIS, model year 2003. Sample size: 11,623 cars, 25,557 tests and 102,631 recorded faults.
0%
More faults compared to the average car of same model year

Quick summary

Total: 11,623 cars

The 2003 Toyota Yaris has an overall defect rate of 402 defects per 100 vehicles, which is 6.2% higher than the average for cars of the same year. Notably, the Yaris performs well in the categories of brakes and steering, with significantly lower defect rates compared to the average, indicating a strong reliability in these areas. However, it faces challenges with lights and electrics, showing a defect rate that is 45% higher than average, and issues related to wheels, suspensions, and axles are also more prevalent. Additionally, as mileage increases, the defect rate for the Yaris rises more steeply than the average, suggesting that older models may require more frequent attention.

Cars by mileage segment

Total: 11,623 cars

Categories

Brakes
▲ 20.6% better
134.4 faults / 100 tests
Year avg: 169.3 / 100 tests
  • Brake pipe damaged or excessively corroded
  • Brake lining or pad: worn below 1.5mm
  • Significant brake effort recorded with no brake applied indicating a binding brake
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
Steering
▲ 79.4% better
5.2 faults / 100 tests
Year avg: 25.2 / 100 tests
  • 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.
  • Steering rack gaiter or ball joint dust cover: damaged or deteriorated
  • A steering ball joint: with excessive wear or free play
  • Power steering pipe, hose or wiring: excessively damaged or corroded
Visibility
▼ 1.3% worse
30.2 faults / 100 tests
Year avg: 29.8 / 100 tests
  • Wiper blade: missing or obviously not clearing the windscreen
  • Wiper blade: defective
  • Wiper blade: missing or obviously not clearing the windscreen
  • Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
  • Windscreen washers not working or not providing sufficient fluid to clear the windscreen
Lights & Electrics
▼ 44.4% worse
148.4 faults / 100 tests
Year avg: 102.8 / 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
  • Stop lamp(s): all missing or inoperative
  • Headlamp reflector or lens: slightly defective
  • Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
Wheels & Suspension
▼ 26.4% worse
381.9 faults / 100 tests
Year avg: 302.1 / 100 tests
  • A suspension pin, bush, joint or bearing: excessively worn
  • A spring: or spring component fractured or seriously weakened
  • The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
  • Tyre tread depth not in accordance with the requirements
  • A tyre: with a lump, bulge or tear … or with cords exposed or damaged
Body/Structure
▲ 6.9% better
60.7 faults / 100 tests
Year avg: 65.2 / 100 tests
  • Exhaust system has a major leak or is insecure
  • A transmission shaft constant velocity joint boot: severely deteriorated
  • 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
Equipment
▲ 8.1% better
12.5 faults / 100 tests
Year avg: 13.6 / 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
  • 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
  • Seat belt buckle missing, damaged or not functioning as intended
  • A seat belt: or flexible stalk damaged
  • An SRS malfunction indicator lamp (MIL) indicates a system malfunction
Other
▲ 43.6% better
29.7 faults / 100 tests
Year avg: 52.7 / 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
  • An induction or exhaust leak that could affect emissions levels
  • Engine MIL inoperative or indicating a malfunction
  • Emissions test unable to be completed

Fault rate by mileage segment

Model    Year average
0 538 0–31,000 mi 31,000–62,000 62,000–93,000 93,000–124,000 124,000+
* Metric: faults per 100 tests.

Most common faults (Top 10)

A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 10,429
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 5,931
A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 5,780
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 5,196
The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
ADVISORY
Occurrences: 4,926
A suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 4,821
Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 4,392
Product on the lens or light source which obviously reduces light intensity or changes emitted colour to other than white or yellow
ADVISORY
Occurrences: 3,193
Headlamp reflector or lens: slightly defective
MINOR
Occurrences: 3,170
Exhaust system has a major leak or is insecure
ADVISORY
Occurrences: 2,171

Serious faults (Top 10)

A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 1,771
Beam image obviously incorrect
FAIL
Occurrences: 1,612
The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
FAIL
Occurrences: 1,256
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 1,144
Stop lamp(s): all missing or inoperative
FAIL
Occurrences: 978
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 941
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: 740
Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
FAIL
Occurrences: 673
Headlamp reflector or lens: seriously defective or missing
FAIL
Occurrences: 637
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 628