Skip to main content

Porsche 944 - 1986

219.8 faults per 100 tests
Year average for all cars of 1986 is 241.8 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Porsche 944, model year 1986. Sample size: 344 cars, 635 tests and 1,396 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 344 cars

The 1986 Porsche 944 has an overall defect rate of 220 per 100 vehicles, which is 8.3% lower than the average for cars of the same year. A notable area of strength for this model is in lights and electrics, where it performs significantly better than average, with a defect rate of 37 compared to 59. However, it struggles with brakes, showing a higher defect rate of 122 compared to the average of 88. Mileage-related trends indicate that the highest defect rates occur in the lowest mileage group, with defects declining as mileage increases. Overall, while the 944 excels in certain categories, it faces challenges with braking systems.

Cars by mileage segment

Total: 344 cars

Categories

Brakes
▼ 38.5% worse
122.2 faults / 100 tests
Year avg: 88.2 / 100 tests
  • Brake pipe damaged or excessively corroded
  • Significant brake effort recorded with no brake applied indicating a binding brake
  • Significant brake effort recorded with no brake applied indicating a binding brake
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • Brake hose ferrules: excessively corroded
Steering
▲ 18.0% better
24.6 faults / 100 tests
Year avg: 30.0 / 100 tests
  • Power steering fluid leaking or system malfunctioning
  • Steering rack gaiter or ball joint dust cover: damaged or deteriorated
  • Power steering fluid leaking or system malfunctioning
  • Excessive wear or play in a universal joint or a flexible coupling excessively deteriorated
  • Steering rack gaiter or ball joint dust cover: missing or no longer prevents the ingress of dirt etc.
Visibility
▲ 0.5% better
21.7 faults / 100 tests
Year avg: 21.8 / 100 tests
  • Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
  • 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 washers not working or not providing sufficient fluid to clear the windscreen
Lights & Electrics
▲ 37.7% better
37.5 faults / 100 tests
Year avg: 60.2 / 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
  • The aim of a headlamp is not within limits laid down in the requirements
  • A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
  • A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
  • Beam image obviously incorrect
Wheels & Suspension
▲ 14.7% better
134.2 faults / 100 tests
Year avg: 157.4 / 100 tests
  • A wheel bearing: with excessive play
  • Tyre tread depth not in accordance with the requirements
  • A tyre: with a lump, bulge or tear … or with cords exposed or damaged
  • A suspension pin, bush, joint or bearing: excessively worn
  • The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
Body/Structure
▲ 19.4% better
44.1 faults / 100 tests
Year avg: 54.7 / 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
  • Body, cab or chassis: excessively corroded at mounting points
  • Exhaust system has a major leak or is insecure
  • Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
Equipment
▲ 64.5% better
6.0 faults / 100 tests
Year avg: 16.9 / 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
  • Audible warning:
  • Audible warning:
  • 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
  • Speedometer: not illuminated
Other
▲ 8.7% better
49.4 faults / 100 tests
Year avg: 54.1 / 100 tests
  • Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
  • 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 default limits
  • Exhaust noise levels in excess of those permitted

Fault rate by mileage segment

Model    Year average
0 667 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)

Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 137
Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 108
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 83
A wheel bearing: with excessive play
ADVISORY
Occurrences: 76
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 71
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 69
Significant brake effort recorded with no brake applied indicating a binding brake
ADVISORY
Occurrences: 53
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 42
Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
ADVISORY
Occurrences: 38
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 37

Serious faults (Top 10)

Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 37
The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
FAIL
Occurrences: 28
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: 22
Significant brake effort recorded with no brake applied indicating a binding brake
FAIL
Occurrences: 18
Emissions levels exceed default limits
FAIL
Occurrences: 15
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 12
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 11
Beam image obviously incorrect
FAIL
Occurrences: 10
A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
FAIL
Occurrences: 9
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 8