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) | Tests | Pass rate |
|---|---|---|
| 16 | 1 | 100% |
| 17 | 3 | 67% |
| 18 | 4 | 75% |
| 19 | 4 | 50% |
| 20 | 5 | 80% |
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:
- Fuel pipe/s corroded (2 times)
- Oil leak (2 times)
- bonnet cable insecure (2 times)
- nearside headlight on upper limit (2 times)
- offside headlight on lower limit (2 times)
- offside rear inner c.v boot split (2 times)
- fuel tank straps well corroded (1 times)
- Exhaust emissions hydrocarbon content excessive (7.3.B.1b) (1 times)
- Nearside Front brake disc excessively pitted (3.5.1h) (1 times)
- Nearside Front suspension has excessive play in a lower suspension ball joint (2.5.B.1a) (1 times)
- Nearside front brake juddering severely (3.7.A.2b) (1 times)
- Offside Front Lower Seat belt anchorage prescribed area is excessively corroded (5.2.6) (1 times)
- Offside Rear Lower Seat belt anchorage prescribed area is excessively corroded (5.2.6) (1 times)
- Offside Rear Suspension component mounting prescribed area is excessively corroded (2.4.A.3) (1 times)
- side walls of front tyres (1 times)
Porsche 928 s series 4 aut pass rate by registration year
| Year | Vehicles | Tests | Pass rate | Avg 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.
Compare the Porsche 928 s series 4 aut
See how the Porsche 928 s series 4 aut stacks up against other Porsche models on MOT reliability:
928 s series 4 aut vs 911
928 s series 4 aut vs Boxster
928 s series 4 aut vs Cayenne
928 s series 4 aut vs Macan
Check a specific Porsche 928 s series 4 aut
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