Porsche 924 - 1986
209.8 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 924, model year 1986.
Sample size: 198 cars, 397 tests and 833 recorded faults.
0%
Less faults compared to the average car of same model year
Less faults compared to the average car of same model year
Quick summary
Total: 198 cars
The 1986 Porsche 924 has an overall defect rate of 210 per 100 vehicles, which is 12.4% lower than the average for cars of the same year, at 240 per 100. Notably, the 924 excels in categories such as steering and body structure, exhibiting significantly fewer defects compared to the average, with reductions of 42.7% and 41.0% respectively. However, it struggles with brake issues, showing a 39.7% higher defect rate than average. The mileage trends indicate that defects increase considerably with mileage, particularly in the 62,000 to 93,000-mile range. Overall, while the 924 performs better in several areas, it has notable weaknesses in braking and visibility.
Cars by mileage segment
Total: 198 cars
More model years for Porsche 924
Other models from Porsche
Categories
Brakes
▼ 39.3% worse
122.9 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
- Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake hose ferrules: excessively corroded
Steering
▲ 43.0% better
17.1 faults / 100 tests
Year avg: 30.0 / 100 tests
- Excessive wear or play in a universal joint or a flexible coupling excessively deteriorated
- Power steering fluid leaking or system malfunctioning
- Free play in the steering, measured at the rim of the steering wheel is: excessive
- Steering rack gaiter or ball joint dust cover: damaged or deteriorated
- Excessive radial movement between the top of the steering column and the shaft indicating an excessively worn top bearing
Visibility
▼ 20.2% worse
26.2 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: missing or obviously not clearing the windscreen
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
- Wiper blade: defective
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
Lights & Electrics
▲ 19.6% better
48.4 faults / 100 tests
Year avg: 60.2 / 100 tests
- A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
- A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
- A battery insecure: but not likely to fall from carrier
- The aim of a headlamp is not within limits laid down in the requirements
- 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
Wheels & Suspension
▲ 24.1% better
119.4 faults / 100 tests
Year avg: 157.4 / 100 tests
- A suspension component: excessively damaged or corroded
- A suspension pin, bush, joint or bearing: excessively worn
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- A wheel bearing: with excessive play
- A shock absorber damaged … or showing signs of severe leakage
Body/Structure
▲ 42.0% better
31.7 faults / 100 tests
Year avg: 54.7 / 100 tests
- Exhaust system has a major leak or is insecure
- 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
- A body panel or body component: damaged or corroded and likely to cause injury when grazed or contacted, or insecure
Equipment
▲ 43.2% better
9.6 faults / 100 tests
Year avg: 16.9 / 100 tests
- Audible warning:
- Seat belt not functioning as intended or of an incorrect type
- 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
- Speedometer: operation impaired
Other
▲ 18.1% better
44.3 faults / 100 tests
Year avg: 54.1 / 100 tests
- Emissions levels exceed default limits
- 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 test unable to be completed
- 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
* 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: 72
Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 67
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 51
A suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 44
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 43
Significant brake effort recorded with no brake applied indicating a binding brake
ADVISORY
Occurrences: 29
A wheel bearing: with excessive play
ADVISORY
Occurrences: 28
Brake hose ferrules: excessively corroded
ADVISORY
Occurrences: 26
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 25
Exhaust system has a major leak or is insecure
ADVISORY
Occurrences: 24
Serious faults (Top 10)
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 20
The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
FAIL
Occurrences: 13
Significant brake effort recorded with no brake applied indicating a binding brake
FAIL
Occurrences: 11
A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
FAIL
Occurrences: 8
Emissions levels exceed default limits
FAIL
Occurrences: 7
Audible warning:
FAIL
Occurrences: 7
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: 6
Exhaust system has a major leak or is insecure
FAIL
Occurrences: 5
Emissions test unable to be completed
FAIL
Occurrences: 5
Brake hose ferrules: excessively corroded
FAIL
Occurrences: 4