Skip to content

MOT reliability

Porsche 928 auto

116 vehicles · 14 completed MOT tests analysed
57%
MOT pass rate

Based on 116 Porsche 928 auto vehicles and 14 completed MOT tests, the Porsche 928 auto has an overall 57% pass rate, with an average recorded mileage of 85,136 miles.

116
Vehicles
14
MOT tests
4,290
Avg miles / year
4
Faults per test
0%
Dangerous-fault share

Porsche 928 auto problem areas

Where faults occur most across all Porsche 928 auto MOT tests:

  • Other104%
  • Emissions & nuisance9%
  • Brakes5%
  • Steering4%
  • Seatbelts & equipment2%
  • Tyres, wheels & suspension2%

Porsche 928 auto pass rate by age

Age (years)TestsPass rate
9250%
101100%
11250%
201100%

Fuel types: Petrol (116)

Most common Porsche 928 auto MOT faults

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

  1. Nearside Rear Tyre worn close to the legal limit (4.1.E.1) (4 times)
  2. Offside Rear Tyre worn close to the legal limit (4.1.E.1) (3 times)
  3. Nearside Front wheel bearing has slight play (2.5.A.3c) (2 times)
  4. Offside Front wheel bearing has slight play (2.5.A.3c) (2 times)
  5. Offside rear outer driveshaft gaitor split slightly (2 times)
  6. offside rear driveshaft boot split (2 times)
  7. Brakes imbalanced requirements only just met. It would appear that the braking system requires adjustment or repair. (3.7.B.5b) (1 times)
  8. Exhaust emissions carbon monoxide content excessive (7.3.B.1a) (1 times)
  9. Fuel pipe/s corroded (1 times)
  10. Fuel system component insecure (7.2.1) (1 times)
  11. Nearside Front Lower Ball joint has excessive play (2.2.B.1f) (1 times)
  12. Nearside Front Lower Seat belt anchorage prescribed area is fractured (5.2.6) (1 times)
  13. Nearside Front Tyre has a tear, caused by separation or partial failure of its structure (4.1.D.1b) (1 times)
  14. Nearside Headlamp not in good working order but not adversely affecting beam image (1.2.4a) (1 times)
  15. Nearside Inner Front Upper Suspension arm rubber bush deteriorated resulting in excessive movement (2.4.G.2) (1 times)

Porsche 928 auto pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
1997 1 5 60% 15,838
1987 1 3 67%
1982 1 1 0% 73,906
1981 1 3 67% 161,132
1978 1 2 50% 89,668

Porsche 928 auto reliability FAQ

Across 116 Porsche 928 auto vehicles in our MOT data, 57% pass the MOT (a 43% failure rate), with about 4 faults or advisories recorded per test.

The most frequently recorded Porsche 928 auto MOT issues are: Nearside Rear Tyre worn close to the legal limit (4.1.E.1); Offside Rear Tyre worn close to the legal limit (4.1.E.1); Nearside Front wheel bearing has slight play (2.5.A.3c).

The typical Porsche 928 auto in our data has covered around 85,136 miles.

Compare the Porsche 928 auto

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


Check a specific Porsche 928 auto

Enter a registration to see that exact vehicle's full MOT history, advisories and recurring faults.

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