MOT reliability
Porsche 928 gt
65 vehicles · 57 completed MOT tests analysed
75%
MOT pass rate
Based on 65 Porsche 928 gt vehicles and 57 completed MOT tests, the Porsche 928 gt has an overall 75% pass rate, with an average recorded mileage of 100,390 miles.
65
Vehicles
57
MOT tests
1,480
Avg miles / year
1.4
Faults per test
1%
Dangerous-fault share
Porsche 928 gt problem areas
Where faults occur most across all Porsche 928 gt MOT tests:
-
Other104%
-
Tyres, wheels & suspension9%
-
Lamps & electrical9%
-
Brakes5%
-
Identification & plates4%
-
Visibility3%
-
Emissions & nuisance3%
-
Body & structure1%
Porsche 928 gt pass rate by age
| Age (years) | Tests | Pass rate |
|---|---|---|
| 14 | 2 | 50% |
| 15 | 2 | 100% |
| 16 | 6 | 100% |
| 17 | 11 | 64% |
| 18 | 5 | 80% |
| 19 | 3 | 67% |
| 20 | 2 | 100% |
Fuel types: Petrol (65)
Most common Porsche 928 gt MOT faults
These are the faults and advisories recorded most often across Porsche 928 gt MOT tests:
- Nearside Front Tyre worn close to the legal limit (4.1.E.1) (3 times)
- Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (3 times)
- Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (3 times)
- Exhaust emissions carbon monoxide content excessive (7.3.B.1a) (2 times)
- Front Windscreen has damage to an area less than a 40mm circle outside zone 'A' (8.3.1d) (2 times)
- Nearside Front wheel bearing has slight play (2.5.A.3c) (2 times)
- bonnet struts defective (2 times)
- both sides front tyres worn on inner edges (2 times)
- nearside front tyre has outer sidewall damage (no cords visible) (2 times)
- Front Play in steering rack inner joint(s) both (2 times)
- Rear Registration plate deteriorated but not likely to be misread (0.1 (b)) (2 times)
- Horn not working (1.6.2a) (2 times)
- front to rear metal fuel lines corroded (2 times)
- lower brake efforts from rear brakes (2 times)
- play in offside steering rack (2 times)
Porsche 928 gt pass rate by registration year
| Year | Vehicles | Tests | Pass rate | Avg mileage |
|---|---|---|---|---|
| 1994 | 1 | 2 | 100% | 18,818 |
| 1991 | 3 | 23 | 74% | 106,401 |
| 1990 | 4 | 17 | 65% | 113,212 |
| 1989 | 2 | 5 | 80% | 132,580 |
| 1988 | 1 | 2 | 100% | 24,758 |
Porsche 928 gt reliability FAQ
Across 65 Porsche 928 gt vehicles in our MOT data,
75% pass the MOT (a 25% failure rate), with about
1.4 faults or advisories recorded per test.
The most frequently recorded Porsche 928 gt MOT issues are:
Nearside Front Tyre worn close to the legal limit (4.1.E.1); Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)); Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)).
The typical Porsche 928 gt in our data has covered around
100,390 miles.
Compare the Porsche 928 gt
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