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MOT reliability

Porsche 928 s aut

4 vehicles · 21 completed MOT tests analysed
52%
MOT pass rate

Based on 4 Porsche 928 s aut vehicles and 21 completed MOT tests, the Porsche 928 s aut has an overall 52% pass rate, with an average recorded mileage of 135,567 miles.

4
Vehicles
21
MOT tests
1,289
Avg miles / year
4.1
Faults per test
0%
Dangerous-fault share

Porsche 928 s aut problem areas

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

  • Other118%
  • Emissions & nuisance5%
  • Seatbelts & equipment3%
  • Brakes1%
  • Steering1%
  • Body & structure1%
  • Tyres, wheels & suspension1%

Porsche 928 s aut pass rate by age

Age (years)TestsPass rate
20250%

Fuel types: Petrol (4)

Most common Porsche 928 s aut MOT faults

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

  1. Parking brake: efficiency below requirements (3.7.B.7) (2 times)
  2. Both rear outer CV gators split (2 times)
  3. Crack in front no plate (2 times)
  4. NS door mirrow wont adjust (2 times)
  5. Nearside Rear position lamp(s) not in a clean condition but function not impaired (1.1.4a) (2 times)
  6. Rear wiper rubber split (2 times)
  7. Wiper motor noisey (2 times)
  8. Nearside Rear Brake hose ferrule excessively corroded (3.6.B.4e) (2 times)
  9. Offside Rear Brake hose ferrule excessively corroded (3.6.B.4e) (2 times)
  10. Offside Front Lower Suspension arm has slight play in a pin/bush (2.4.G.2) (2 times)
  11. Offside Steering system has slight free play detected at steering wheel (2.2.A.1b) (2 times)
  12. Oil leak (2 times)
  13. brake disc slightly pitted (3.5.1h) (2 times)
  14. brake fluid level appears low (2 times)
  15. coil spring corroded (2.4.C.1b) (2 times)

Porsche 928 s aut pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
1986 1 6 50% 125,418
1984 3 15 53% 140,642

Porsche 928 s aut reliability FAQ

Across 4 Porsche 928 s aut vehicles in our MOT data, 52% pass the MOT (a 48% failure rate), with about 4.1 faults or advisories recorded per test.

The most frequently recorded Porsche 928 s aut MOT issues are: Parking brake: efficiency below requirements (3.7.B.7); Both rear outer CV gators split; Crack in front no plate.

The typical Porsche 928 s aut in our data has covered around 135,567 miles.

Compare the Porsche 928 s aut

See how the Porsche 928 s aut stacks up against other Porsche models on MOT reliability:

928 s aut vs 911 928 s aut vs Boxster 928 s aut vs Cayenne 928 s aut vs Macan

Check a specific Porsche 928 s aut

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See all Porsche models · Learn about common MOT failures · what an MOT checks