MOT reliability
Porsche 91
15 vehicles · 71 completed MOT tests analysed
77%
MOT pass rate
Based on 15 Porsche 91 vehicles and 71 completed MOT tests, the Porsche 91 has an overall 77% pass rate, with an average recorded mileage of 81,069 miles.
15
Vehicles
71
MOT tests
5,008
Avg miles / year
1.5
Faults per test
0%
Dangerous-fault share
Porsche 91 problem areas
Where faults occur most across all Porsche 91 MOT tests:
-
Other90%
-
Brakes6%
-
Tyres, wheels & suspension5%
-
Emissions & nuisance5%
-
Steering5%
-
Body & structure2%
-
Seatbelts & equipment1%
Porsche 91 pass rate by age
| Age (years) | Tests | Pass rate |
|---|---|---|
| 3 | 1 | 100% |
| 4 | 2 | 50% |
| 5 | 2 | 100% |
| 6 | 1 | 100% |
| 8 | 1 | 100% |
| 12 | 1 | 100% |
| 13 | 1 | 100% |
| 14 | 1 | 100% |
| 15 | 1 | 100% |
| 16 | 2 | 100% |
| 17 | 1 | 100% |
| 18 | 2 | 50% |
| 19 | 1 | 100% |
| 20 | 2 | 50% |
Fuel types: Petrol (15)
Most common Porsche 91 MOT faults
These are the faults and advisories recorded most often across Porsche 91 MOT tests:
- Nearside Rear Anti-roll bar linkage has slight play in a pin/bush (2.4.G.2) (5 times)
- Offside Rear Anti-roll bar linkage has slight play in a pin/bush (2.4.G.2) (5 times)
- Tyre worn close to the legal limit (4.1.E.1) (3 times)
- Offside Rear wheel bearing has slight play (2.6.2) (3 times)
- Windscreen washer provides insufficient washer liquid (8.2.3) (3 times)
- Offside Front Headlamp not in good working order adversely affecting beam image (1.2.4a) (2 times)
- Offside Front Suspension component mounting prescribed area is excessively corroded (2.4.A.3) (2 times)
- Offside Front Anti-roll bar linkage has slight play in a pin/bush (2.4.G.2) (2 times)
- Horn not working (1.6.2a) (2 times)
- Rear Anti-roll bar linkage has slight play in a ball joint Both (2.4.G.2) (2 times)
- Nearside Headlamp aim too low (1.8) (2 times)
- Nearside Registration plate lamp not working (1.1.5c) (2 times)
- Nearside Front position lamp(s) not working (1.1.A.3b) (2 times)
- Nearside Front Side repeater not working (1.4.A.2c) (2 times)
- Offside Front Side repeater not working (1.4.A.2c) (2 times)
Porsche 91 pass rate by registration year
| Year | Vehicles | Tests | Pass rate | Avg mileage |
|---|---|---|---|---|
| 2003 | 1 | 4 | 75% | 116,718 |
| 2001 | 1 | 3 | 100% | 55,025 |
| 1993 | 1 | 5 | 100% | 278,281 |
| 1990 | 1 | 3 | 100% | 166,143 |
| 1987 | 1 | 16 | 62% | 28,976 |
| 1986 | 1 | 6 | 100% | 7,433 |
| 1982 | 1 | 8 | 75% | 20,097 |
| 1980 | 2 | 9 | 56% | 155,501 |
| 1978 | 1 | 4 | 50% | 87,736 |
| 1977 | 1 | 4 | 100% | 114,273 |
| 1974 | 2 | 6 | 100% | 22,847 |
| 1973 | 1 | 1 | 100% | 19,035 |
| 1971 | 1 | 2 | 50% | 40,059 |
Porsche 91 reliability FAQ
Across 15 Porsche 91 vehicles in our MOT data,
77% pass the MOT (a 23% failure rate), with about
1.5 faults or advisories recorded per test.
The most frequently recorded Porsche 91 MOT issues are:
Nearside Rear Anti-roll bar linkage has slight play in a pin/bush (2.4.G.2); Offside Rear Anti-roll bar linkage has slight play in a pin/bush (2.4.G.2); Tyre worn close to the legal limit (4.1.E.1).
The typical Porsche 91 in our data has covered around
81,069 miles.
Compare the Porsche 91
See how the Porsche 91 stacks up against other Porsche models on MOT reliability:
Check a specific Porsche 91
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