MOT reliability
Porsche 911 s
20 vehicles · 134 completed MOT tests analysed
75%
MOT pass rate
Based on 20 Porsche 911 s vehicles and 134 completed MOT tests, the Porsche 911 s has an overall 75% pass rate, with an average recorded mileage of 55,167 miles.
20
Vehicles
134
MOT tests
2,618
Avg miles / year
1.6
Faults per test
1%
Dangerous-fault share
Porsche 911 s problem areas
Where faults occur most across all Porsche 911 s MOT tests:
-
Other85%
-
Brakes10%
-
Emissions & nuisance7%
-
Lamps & electrical2%
-
Steering2%
-
Tyres, wheels & suspension2%
-
Body & structure1%
-
Visibility1%
Porsche 911 s pass rate by age
| Age (years) | Tests | Pass rate |
|---|---|---|
| 1 | 7 | 57% |
| 2 | 7 | 71% |
| 3 | 7 | 71% |
| 4 | 5 | 80% |
| 5 | 3 | 100% |
| 6 | 5 | 80% |
| 7 | 3 | 100% |
| 8 | 3 | 67% |
| 9 | 4 | 75% |
| 10 | 1 | 100% |
| 11 | 1 | 100% |
| 12 | 4 | 75% |
| 13 | 3 | 67% |
| 15 | 2 | 100% |
| 16 | 3 | 67% |
| 17 | 2 | 50% |
| 20 | 2 | 50% |
Fuel types: Petrol (20)
Most common Porsche 911 s MOT faults
These are the faults and advisories recorded most often across Porsche 911 s MOT tests:
- Nearside Front wheel bearing has slight play (2.5.A.3c) (7 times)
- Offside Front wheel bearing has slight play (2.5.A.3c) (5 times)
- Windscreen washer provides insufficient washer liquid (8.2.3) (4 times)
- Oil leak (4 times)
- Nearside Rear Anti-roll bar linkage has slight play in a pin/bush (2.4.G.2) (4 times)
- Nearside Rear Direction indicator slightly discoloured (1.4.A.2f) (4 times)
- Nearside Front Direction indicator not working (1.4.A.2c) (3 times)
- Battery insecure (1.9.1) (3 times)
- Offside Rear Anti-roll bar linkage has slight play in a ball joint (2.4.G.2) (3 times)
- Nearside rear parking brake recording little or no effort (3.7.B.6a) (3 times)
- Offside Windscreen washer provides insufficient washer liquid (8.2.3) (3 times)
- Horn not working (1.6.2a) (2 times)
- Nearside rear brake binding (3.7.B.1) (2 times)
- Offside Registration plate lamp not working (1.1.C.1d) (2 times)
- Under-trays fitted obscuring some underside components (2 times)
Porsche 911 s pass rate by registration year
| Year | Vehicles | Tests | Pass rate | Avg mileage |
|---|---|---|---|---|
| 2019 | 1 | 1 | 100% | 43,838 |
| 2017 | 1 | 1 | 100% | 11,760 |
| 2015 | 1 | 10 | 70% | 177,512 |
| 2014 | 2 | 7 | 86% | 15,702 |
| 2013 | 4 | 18 | 67% | 84,451 |
| 2005 | 1 | 18 | 83% | 63,225 |
| 2004 | 1 | 16 | 75% | 28,176 |
| 1996 | 1 | 4 | 50% | 35,822 |
| 1975 | 1 | 20 | 80% | 99,712 |
| 1974 | 2 | 25 | 76% | 60,072 |
| 1972 | 1 | 5 | 60% | 78,479 |
| 1971 | 1 | 1 | 100% | 58,778 |
| 1970 | 1 | 2 | 100% | 308 |
| 1968 | 1 | 3 | 67% | 14,603 |
| 1967 | 1 | 3 | 67% | 1,776 |
Porsche 911 s reliability FAQ
Across 20 Porsche 911 s vehicles in our MOT data,
75% pass the MOT (a 25% failure rate), with about
1.6 faults or advisories recorded per test.
The most frequently recorded Porsche 911 s MOT issues are:
Nearside Front wheel bearing has slight play (2.5.A.3c); Offside Front wheel bearing has slight play (2.5.A.3c); Windscreen washer provides insufficient washer liquid (8.2.3).
The typical Porsche 911 s in our data has covered around
55,167 miles.
Compare the Porsche 911 s
See how the Porsche 911 s stacks up against other Porsche models on MOT reliability:
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