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Subaru WRX - 2017

58.3 faults per 100 tests
Year average for all cars of 2017 is 137.4 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Subaru WRX, model year 2017. Sample size: 381 cars, 749 tests and 437 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 381 cars

The 2017 Subaru WRX shows a significantly lower overall defect rate of 58 per 100 vehicles, which is 56% better than the average for cars of the same year, recorded at 134 per 100. Mileage data indicates that the WRX performs consistently well across all mileage brackets, with particularly high defect rates in the 93,000 to 124,000 miles category but still remains below the yearly average. Notably, the WRX excels in categories such as brakes and steering, showing defects at 28% and 1% respectively, compared to the higher averages of 71% and 5%. Other areas where this model stands out positively include visibility and lights & electrics, both of which also have lower defect rates than average.

Cars by mileage segment

Total: 381 cars

Categories

Brakes
▲ 61.0% better
28.3 faults / 100 tests
Year avg: 72.5 / 100 tests
  • Brake lining or pad: worn below 1.5mm
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • Brake disc or drum: significantly and obviously worn
Steering
▲ 76.8% better
1.3 faults / 100 tests
Year avg: 5.6 / 100 tests
Visibility
▲ 48.3% better
7.5 faults / 100 tests
Year avg: 14.5 / 100 tests
Lights & Electrics
▲ 62.3% better
7.7 faults / 100 tests
Year avg: 20.4 / 100 tests
Wheels & Suspension
▲ 60.1% better
57.1 faults / 100 tests
Year avg: 143.1 / 100 tests
  • Tyre tread depth not in accordance with the requirements
  • A tyre: with a lump, bulge or tear … or with cords exposed or damaged
  • A spring: or spring component fractured or seriously weakened
  • A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
Body/Structure
▲ 12.9% better
6.1 faults / 100 tests
Year avg: 7.0 / 100 tests
  • Exhaust system has a major leak or is insecure
  • A transmission shaft constant velocity joint boot: severely deteriorated
Equipment
▲ 100.0% better
0.0 faults / 100 tests
Year avg: 2.7 / 100 tests
Other
▲ 5.6% better
8.5 faults / 100 tests
Year avg: 9.0 / 100 tests
  • Exhaust noise levels in excess of those permitted

Fault rate by mileage segment

Model    Year average
0 318 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)

Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 114
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 56
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 37
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 23
A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 23
Exhaust noise levels in excess of those permitted
ADVISORY
Occurrences: 17
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 16
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 13
Exhaust system has a major leak or is insecure
ADVISORY
Occurrences: 9
A transmission shaft constant velocity joint boot: severely deteriorated
MINOR
Occurrences: 8

Serious faults (Top 10)

A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
FAIL
Occurrences: 6
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 6
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 5
A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
FAIL
Occurrences: 5
An obligatory rear fog lamp missing, or a front or rear fog lamp inoperative or in the case of a multiple light source more than 1/2 not functioning
FAIL
Occurrences: 4
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 4
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 4
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 4
Lambda coefficient outside the default limits or the range specified by the manufacturer
FAIL
Occurrences: 3
Emissions levels exceed the manufacturer’s specified limits
FAIL
Occurrences: 3