MOT reliability
Porsche 911 40 years
2 vehicles · 25 completed MOT tests analysed
96%
MOT pass rate
Based on 2 Porsche 911 40 years vehicles and 25 completed MOT tests, the Porsche 911 40 years has an overall 96% pass rate, with an average recorded mileage of 105,751 miles.
2
Vehicles
25
MOT tests
2,096
Avg miles / year
0.5
Faults per test
0%
Dangerous-fault share
Porsche 911 40 years problem areas
Where faults occur most across all Porsche 911 40 years MOT tests:
-
Other67%
-
Tyres, wheels & suspension33%
-
Steering17%
-
Body & structure8%
Porsche 911 40 years pass rate by age
| Age (years) | Tests | Pass rate |
|---|---|---|
| 3 | 1 | 100% |
| 4 | 2 | 50% |
| 5 | 1 | 100% |
| 6 | 1 | 100% |
| 7 | 1 | 100% |
| 9 | 1 | 100% |
| 10 | 1 | 100% |
| 11 | 1 | 100% |
| 12 | 1 | 100% |
| 13 | 1 | 100% |
| 14 | 1 | 100% |
| 15 | 1 | 100% |
| 16 | 1 | 100% |
| 17 | 1 | 100% |
| 18 | 1 | 100% |
| 19 | 1 | 100% |
| 20 | 1 | 100% |
Fuel types: Petrol (2)
Most common Porsche 911 40 years MOT faults
These are the faults and advisories recorded most often across Porsche 911 40 years MOT tests:
- Offside Front Shock absorber has a slightly worn linkage (2.7.4) (2 times)
- offside rear brake pad sensor wires broken (1 times)
- Nearside Front Tyre worn close to the legal limit (4.1.E.1) (1 times)
- Nearside Rear Tyre tread depth below requirements of 1.6mm (4.1.E.1) (1 times)
- Offside Front Tyre worn close to the legal limit (4.1.E.1) (1 times)
- Offside Front position lamp(s) not working (1.1.A.3b) (1 times)
- Offside Rear Tyre tread depth below requirements of 1.6mm (4.1.E.1) (1 times)
- Oil leak (1 times)
- Under-trays fitted obscuring some underside components (1 times)
- Exhaust has a minor leak of exhaust gases (6.1.2 (a)) (1 times)
- Nearside Front Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii)) (1 times)
- Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii)) (1 times)
- Offside Front Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii)) (1 times)
- Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii)) (1 times)
Porsche 911 40 years pass rate by registration year
| Year | Vehicles | Tests | Pass rate | Avg mileage |
|---|---|---|---|---|
| 2004 | 1 | 18 | 94% | — |
Porsche 911 40 years reliability FAQ
Across 2 Porsche 911 40 years vehicles in our MOT data,
96% pass the MOT (a 4% failure rate), with about
0.5 faults or advisories recorded per test.
The most frequently recorded Porsche 911 40 years MOT issues are:
Offside Front Shock absorber has a slightly worn linkage (2.7.4); offside rear brake pad sensor wires broken; Nearside Front Tyre worn close to the legal limit (4.1.E.1).
The typical Porsche 911 40 years in our data has covered around
105,751 miles.
Compare the Porsche 911 40 years
See how the Porsche 911 40 years stacks up against other Porsche models on MOT reliability:
Check a specific Porsche 911 40 years
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