MOT reliability
Porsche 911s
52 vehicles · 305 completed MOT tests analysed
81%
MOT pass rate
Based on 52 Porsche 911s vehicles and 305 completed MOT tests, the Porsche 911s has an overall 81% pass rate, with an average recorded mileage of 58,725 miles.
52
Vehicles
305
MOT tests
883
Avg miles / year
1.3
Faults per test
1%
Dangerous-fault share
Porsche 911s problem areas
Where faults occur most across all Porsche 911s MOT tests:
-
Other83%
-
Brakes11%
-
Tyres, wheels & suspension6%
-
Emissions & nuisance6%
-
Lamps & electrical4%
-
Steering3%
-
Body & structure1%
-
Seatbelts & equipment0%
Porsche 911s pass rate by age
| Age (years) | Tests | Pass rate |
|---|---|---|
| 1 | 18 | 72% |
| 2 | 15 | 87% |
| 3 | 9 | 100% |
| 4 | 10 | 100% |
| 5 | 6 | 83% |
| 6 | 11 | 82% |
| 7 | 9 | 78% |
| 8 | 8 | 88% |
| 9 | 6 | 83% |
| 10 | 7 | 86% |
| 11 | 8 | 62% |
| 12 | 6 | 100% |
| 13 | 5 | 80% |
| 14 | 7 | 71% |
| 15 | 2 | 100% |
| 16 | 6 | 83% |
| 17 | 3 | 100% |
| 18 | 3 | 67% |
| 19 | 2 | 100% |
| 20 | 2 | 100% |
Fuel types: Petrol (52)
Most common Porsche 911s MOT faults
These are the faults and advisories recorded most often across Porsche 911s MOT tests:
- Windscreen washer provides insufficient washer liquid (8.2.3) (12 times)
- Nearside Headlamp aim beam image kick up to the offside (1.8) (9 times)
- Offside Headlamp aim beam image kick up to the offside (1.8) (9 times)
- Steering column top bearing slightly worn (2.1.2c) (6 times)
- Nearside Front wheel bearing has slight play (2.5.A.3c) (6 times)
- Horn not working (1.6.2a) (5 times)
- Nearside Rear Tyre worn close to the legal limit (4.1.E.1) (5 times)
- Parking brake: efficiency below requirements (3.7.B.7) (4 times)
- Front registration plate with character(s) which are not the correct height (6.3.4a) (4 times)
- Offside Rear Anti-roll bar linkage has slight play in a pin/bush (2.4.G.2) (4 times)
- Nearside Rear Anti-roll bar linkage has slight play in a ball joint (2.4.G.2) (4 times)
- Offside Rear Anti-roll bar linkage has slight play in a ball joint (2.4.G.2) (4 times)
- Offside Front wheel bearing has slight play (2.5.A.3c) (4 times)
- Oil leak (3 times)
- Headlamp masks/converters fitted (3 times)
Porsche 911s pass rate by registration year
| Year | Vehicles | Tests | Pass rate | Avg mileage |
|---|---|---|---|---|
| 2018 | 1 | 1 | 100% | 99,935 |
| 2017 | 4 | 16 | 88% | 62,622 |
| 2015 | 6 | 25 | 72% | 54,351 |
| 2014 | 4 | 21 | 81% | 39,505 |
| 2013 | 3 | 16 | 100% | 44,758 |
| 2012 | 2 | 2 | 100% | 35,690 |
| 2011 | 2 | 3 | 67% | 6,077 |
| 2007 | 2 | 19 | 74% | 72,731 |
| 2005 | 1 | 1 | 100% | 145,229 |
| 2004 | 2 | 26 | 88% | 113,303 |
| 2001 | 1 | 7 | 86% | 88,792 |
| 2000 | 2 | 30 | 90% | 57,289 |
| 1999 | 1 | 7 | 71% | 87,723 |
| 1993 | 1 | 6 | 50% | 106,601 |
| 1977 | 3 | 10 | 70% | 107,507 |
| 1976 | 1 | 16 | 69% | 102,692 |
| 1974 | 1 | 15 | 87% | 15,201 |
| 1972 | 5 | 27 | 70% | 30,903 |
| 1971 | 3 | 20 | 85% | 41,956 |
| 1969 | 3 | 8 | 88% | 69,876 |
| 1967 | 4 | 29 | 86% | 38,982 |
Porsche 911s reliability FAQ
Across 52 Porsche 911s vehicles in our MOT data,
81% pass the MOT (a 19% failure rate), with about
1.3 faults or advisories recorded per test.
The most frequently recorded Porsche 911s MOT issues are:
Windscreen washer provides insufficient washer liquid (8.2.3); Nearside Headlamp aim beam image kick up to the offside (1.8); Offside Headlamp aim beam image kick up to the offside (1.8).
The typical Porsche 911s in our data has covered around
58,725 miles.
Compare the Porsche 911s
See how the Porsche 911s stacks up against other Porsche models on MOT reliability:
Check a specific Porsche 911s
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