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MOT reliability

Porsche 928 s series 4 aut

5 vehicles · 20 completed MOT tests analysed
75%
MOT pass rate

Based on 5 Porsche 928 s series 4 aut vehicles and 20 completed MOT tests, the Porsche 928 s series 4 aut has an overall 75% pass rate, with an average recorded mileage of 142,877 miles.

5
Vehicles
20
MOT tests
969
Avg miles / year
1
Faults per test
0%
Dangerous-fault share

Porsche 928 s series 4 aut problem areas

Where faults occur most across all Porsche 928 s series 4 aut MOT tests:

  • Other152%
  • Tyres, wheels & suspension14%
  • Visibility5%
  • Seatbelts & equipment5%

Porsche 928 s series 4 aut pass rate by age

Age (years)TestsPass rate
161100%
17367%
18475%
19450%
20580%

Fuel types: Petrol (5)

Most common Porsche 928 s series 4 aut MOT faults

These are the faults and advisories recorded most often across Porsche 928 s series 4 aut MOT tests:

  1. Fuel pipe/s corroded (2 times)
  2. Oil leak (2 times)
  3. bonnet cable insecure (2 times)
  4. nearside headlight on upper limit (2 times)
  5. offside headlight on lower limit (2 times)
  6. offside rear inner c.v boot split (2 times)
  7. fuel tank straps well corroded (1 times)
  8. Exhaust emissions hydrocarbon content excessive (7.3.B.1b) (1 times)
  9. Nearside Front brake disc excessively pitted (3.5.1h) (1 times)
  10. Nearside Front suspension has excessive play in a lower suspension ball joint (2.5.B.1a) (1 times)
  11. Nearside front brake juddering severely (3.7.A.2b) (1 times)
  12. Offside Front Lower Seat belt anchorage prescribed area is excessively corroded (5.2.6) (1 times)
  13. Offside Rear Lower Seat belt anchorage prescribed area is excessively corroded (5.2.6) (1 times)
  14. Offside Rear Suspension component mounting prescribed area is excessively corroded (2.4.A.3) (1 times)
  15. side walls of front tyres (1 times)

Porsche 928 s series 4 aut pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
1989 2 9 56% 198,031
1987 3 11 91% 124,493

Porsche 928 s series 4 aut reliability FAQ

Across 5 Porsche 928 s series 4 aut vehicles in our MOT data, 75% pass the MOT (a 25% failure rate), with about 1 faults or advisories recorded per test.

The most frequently recorded Porsche 928 s series 4 aut MOT issues are: Fuel pipe/s corroded; Oil leak; bonnet cable insecure.

The typical Porsche 928 s series 4 aut in our data has covered around 142,877 miles.

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