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Porsche 944 - 1987

233.6 faults per 100 tests
Year average for all cars of 1987 is 238.3 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Porsche 944, model year 1987. Sample size: 237 cars, 438 tests and 1,023 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 237 cars

The 1987 Porsche 944 has an overall defect rate of 234 per 100 vehicles, slightly better than the average of 234 per 100 for its year, indicating comparable reliability. Notably, it excels in areas such as steering, lights and electrics, body structure, and equipment, showing significantly lower defect rates compared to the average. However, it is less favourable when it comes to brakes and visibility, with defect rates considerably higher than the average. Additionally, the model displays a concerning trend in higher defect rates among vehicles with higher mileage, particularly in the 93,000–124,000 miles range. Overall, this model presents a mixed performance profile, standing out in some areas while struggling in others.

Cars by mileage segment

Total: 237 cars

Categories

Brakes
▼ 61.5% worse
141.6 faults / 100 tests
Year avg: 87.7 / 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
  • Brake hose ferrules: excessively corroded
  • Significant brake effort recorded with no brake applied indicating a binding brake
Steering
▲ 30.9% better
20.1 faults / 100 tests
Year avg: 29.1 / 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
  • Power steering fluid leaking or system malfunctioning
  • Excessive wear or play in a universal joint or a flexible coupling excessively deteriorated
  • Excessive roughness in operation of steering
Visibility
▼ 37.4% worse
27.9 faults / 100 tests
Year avg: 20.3 / 100 tests
  • Windscreen washers not working or not providing sufficient fluid to clear 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
  • Obligatory mirror or device: slightly damaged or loose
  • Visibility
Lights & Electrics
▲ 24.4% better
47.5 faults / 100 tests
Year avg: 62.8 / 100 tests
  • 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
  • Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
  • The aim of a headlamp is not within limits laid down in the requirements
  • A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
  • Stop lamp(s): all missing or inoperative
Wheels & Suspension
▲ 12.2% better
130.6 faults / 100 tests
Year avg: 148.8 / 100 tests
  • A tyre: with a lump, bulge or tear … or with cords exposed or damaged
  • The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
  • A wheel bearing: with excessive play
  • Tyre tread depth not in accordance with the requirements
  • A suspension pin, bush, joint or bearing: excessively worn
Body/Structure
▲ 38.7% better
32.9 faults / 100 tests
Year avg: 53.7 / 100 tests
  • A body panel or body component: damaged or corroded and likely to cause injury when grazed or contacted, or insecure
  • Body, cab or chassis: excessively corroded at mounting points
  • Exhaust system has a major leak or is insecure
  • Body, cab or chassis: excessively corroded at mounting points
  • Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
Equipment
▲ 32.1% better
14.2 faults / 100 tests
Year avg: 20.9 / 100 tests
  • Audible warning:
  • A statutory seat belt missing
  • 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
Other
▲ 2.6% better
51.6 faults / 100 tests
Year avg: 53.0 / 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
  • Engine is idling clearly above its normal idle speed
  • Emissions levels exceed default limits
  • Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users

Fault rate by mileage segment

Model    Year average
0 578 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)

Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 108
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 90
A wheel bearing: with excessive play
ADVISORY
Occurrences: 60
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 49
Brake hose ferrules: excessively corroded
ADVISORY
Occurrences: 37
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 36
The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
FAIL
Occurrences: 27
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 26
Significant brake effort recorded with no brake applied indicating a binding brake
ADVISORY
Occurrences: 25
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 21

Serious faults (Top 10)

The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
FAIL
Occurrences: 27
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 21
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 21
Significant brake effort recorded with no brake applied indicating a binding brake
FAIL
Occurrences: 19
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: 19
Emissions levels exceed default limits
FAIL
Occurrences: 15
Parking brake efficiency: below minimum requirement
FAIL
Occurrences: 11
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 10
Audible warning:
FAIL
Occurrences: 8
Parking brake inoperative on one side, or in the case of testing on the road, the vehicle deviates excessively from a straight line
FAIL
Occurrences: 7