MOT reliability
Porsche 911t
68 vehicles · 447 completed MOT tests analysed
78%
MOT pass rate
Based on 68 Porsche 911t vehicles and 447 completed MOT tests, the Porsche 911t has an overall 78% pass rate, with an average recorded mileage of 56,394 miles.
68
Vehicles
447
MOT tests
895
Avg miles / year
1.3
Faults per test
0%
Dangerous-fault share
Porsche 911t problem areas
Where faults occur most across all Porsche 911t MOT tests:
-
Other99%
-
Brakes11%
-
Emissions & nuisance6%
-
Steering5%
-
Tyres, wheels & suspension5%
-
Seatbelts & equipment2%
-
Lamps & electrical2%
-
Body & structure1%
Porsche 911t pass rate by age
| Age (years) | Tests | Pass rate |
|---|---|---|
| 1 | 13 | 85% |
| 2 | 14 | 71% |
| 3 | 13 | 92% |
| 4 | 11 | 82% |
| 5 | 5 | 80% |
| 6 | 7 | 100% |
| 7 | 7 | 86% |
| 8 | 9 | 100% |
| 9 | 12 | 83% |
| 10 | 11 | 82% |
| 11 | 14 | 64% |
| 12 | 9 | 89% |
| 13 | 10 | 90% |
| 14 | 13 | 69% |
| 15 | 12 | 83% |
| 16 | 20 | 65% |
| 17 | 12 | 83% |
| 18 | 13 | 85% |
| 19 | 11 | 73% |
| 20 | 10 | 80% |
Fuel types: Petrol (68)
Most common Porsche 911t MOT faults
These are the faults and advisories recorded most often across Porsche 911t MOT tests:
- Oil leak (20 times)
- Offside Front wheel bearing has slight play (2.5.A.3c) (12 times)
- Offside Headlamp aim too high (1.8) (12 times)
- Windscreen washer provides insufficient washer liquid (8.2.3) (12 times)
- Parking brake: efficiency below requirements (3.7.B.7) (11 times)
- Nearside Headlamp aim too high (1.8) (10 times)
- Horn not working (1.6.2a) (9 times)
- Nearside Front wheel bearing has slight play (2.5.A.3c) (8 times)
- Offside Front position lamp(s) not working (1.1.A.3b) (8 times)
- Offside Front Front wheel bearing has slight play (2.5.A.3c) (6 times)
- Offside Front Brake pipe slightly corroded (3.6.B.2c) (6 times)
- Play in steering rack inner joint(s) (6 times)
- Steering column top bearing slightly worn (2.1.2c) (6 times)
- Headlamp masks/converters fitted (5 times)
- Under-trays fitted obscuring some underside components (5 times)
Porsche 911t pass rate by registration year
| Year | Vehicles | Tests | Pass rate | Avg mileage |
|---|---|---|---|---|
| 2017 | 2 | 3 | 100% | 85,325 |
| 2015 | 8 | 24 | 75% | 45,431 |
| 2014 | 6 | 42 | 81% | 41,910 |
| 2013 | 3 | 11 | 91% | 66,726 |
| 2012 | 2 | 9 | 78% | 43,944 |
| 2011 | 1 | 2 | 50% | 32,968 |
| 2010 | 1 | 8 | 75% | 35,648 |
| 2009 | 1 | 1 | 100% | 34,057 |
| 2006 | 1 | 1 | 100% | 1,231 |
| 2005 | 1 | 13 | 77% | 98,725 |
| 2004 | 1 | 4 | 75% | 21,078 |
| 2003 | 1 | 1 | 100% | 64,245 |
| 2001 | 1 | 13 | 77% | 132,732 |
| 2000 | 1 | 9 | 100% | 86,267 |
| 1999 | 2 | 24 | 83% | 47,426 |
| 1998 | 3 | 34 | 76% | 101,922 |
| 1997 | 3 | 46 | 80% | 54,584 |
| 1996 | 1 | 9 | 78% | 56,752 |
| 1991 | 1 | 17 | 76% | 38,605 |
| 1990 | 3 | 23 | 70% | 35,973 |
| 1979 | 2 | 3 | 67% | 45,757 |
| 1973 | 4 | 18 | 89% | 41,560 |
| 1972 | 6 | 36 | 72% | 81,442 |
| 1971 | 4 | 5 | 80% | 42,438 |
| 1970 | 4 | 34 | 79% | 57,135 |
| 1969 | 3 | 38 | 71% | 83,926 |
| 1968 | 2 | 19 | 79% | 45,063 |
Porsche 911t reliability FAQ
Across 68 Porsche 911t vehicles in our MOT data,
78% pass the MOT (a 22% failure rate), with about
1.3 faults or advisories recorded per test.
The most frequently recorded Porsche 911t MOT issues are:
Oil leak; Offside Front wheel bearing has slight play (2.5.A.3c); Offside Headlamp aim too high (1.8).
The typical Porsche 911t in our data has covered around
56,394 miles.
Compare the Porsche 911t
See how the Porsche 911t stacks up against other Porsche models on MOT reliability:
Check a specific Porsche 911t
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