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MOT reliability

Porsche 911 carrera

817 vehicles · 2,166 completed MOT tests analysed
84%
MOT pass rate

Based on 817 Porsche 911 carrera vehicles and 2,166 completed MOT tests, the Porsche 911 carrera has an overall 84% pass rate, with an average recorded mileage of 81,090 miles.

817
Vehicles
2,166
MOT tests
3,485
Avg miles / year
1
Faults per test
1%
Dangerous-fault share

Porsche 911 carrera problem areas

Where faults occur most across all Porsche 911 carrera MOT tests:

  • Other79%
  • Brakes13%
  • Tyres, wheels & suspension11%
  • Lamps & electrical7%
  • Emissions & nuisance6%
  • Steering1%
  • Seatbelts & equipment1%
  • Visibility1%

Porsche 911 carrera pass rate by age

How the Porsche 911 carrera's MOT pass rate changes as it ages (buckets with 20+ tests).

Age (years)TestsPass rate
1989%
2786%
327100%
44988%
56981%
66788%
78386%
88884%
99184%
107084%
119082%
128582%
137683%
146981%
156682%
166583%
177782%
187278%
196477%
206677%

Fuel types: Petrol (620), LPG (148), Other (43), Gas (2), Gas Bi-Fuel (2), Diesel (1), Electric (1)

Most common Porsche 911 carrera MOT faults

These are the faults and advisories recorded most often across Porsche 911 carrera MOT tests:

  1. Nearside Rear Tyre worn close to the legal limit (4.1.E.1) (45 times)
  2. Offside Rear Tyre worn close to the legal limit (4.1.E.1) (42 times)
  3. Oil leak, but not excessive (8.4.1 (a) (i)) (34 times)
  4. Nearside Front Tyre worn close to the legal limit (4.1.E.1) (26 times)
  5. Offside Front Tyre worn close to the legal limit (4.1.E.1) (25 times)
  6. Oil leak (24 times)
  7. Offside Front Brake pipe slightly corroded (3.6.B.2c) (22 times)
  8. Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (19 times)
  9. Under-trays fitted obscuring some underside components (19 times)
  10. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (18 times)
  11. Offside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c)) (18 times)
  12. Nearside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c)) (16 times)
  13. Nearside Rear Tyre tread depth below requirements of 1.6mm (4.1.E.1) (16 times)
  14. Nearside Front brake disc worn, pitted or scored, but not seriously weakened (3.5.1i) (15 times)
  15. Offside Front brake disc worn, pitted or scored, but not seriously weakened (3.5.1i) (15 times)

Porsche 911 carrera pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
2017 2 10 80% 24,434
2016 2 10 90% 28,186
2015 1 5 100% 60,017
2014 1 12 92% 15,071
2013 3 22 91% 62,627
2012 8 79 97% 54,643
2011 2 4 75% 19,128
2010 1 15 87% 67,096
2009 3 39 77% 70,938
2008 1 6 83% 7,043
2006 3 36 86% 68,976
2005 1 2 100% 86,555
2004 4 29 76% 76,282
2003 11 128 80% 71,891
2002 12 117 84% 52,907
2001 18 231 84% 59,878
2000 14 72 82% 59,162
1999 17 92 85% 73,010
1998 27 196 79% 91,528
1997 9 57 91% 62,779
1996 14 113 82% 79,336
1995 13 126 80% 91,940
1994 16 119 89% 80,370
1993 3 18 78% 177,861
1992 3 7 86% 67,809
1991 5 44 82% 89,526
1990 9 35 71% 123,751
1989 5 35 91% 136,705
1988 3 6 100% 77,666
1987 4 18 78% 142,217
1986 3 19 79% 115,291
1985 4 14 79% 122,217
1984 3 16 88% 185,636
1983 1 26 62% 120,390
1982 1 5 40% 243,744
1980 1 11 91% 6,863
1977 2 16 69% 133,198
1976 2 13 69% 83,253
1974 5 12 92% 45,532
1973 3 22 95% 46,155
1970 1 5 60% 70,805
1966 1 6 83% 118,388

Porsche 911 carrera reliability FAQ

Across 817 Porsche 911 carrera vehicles in our MOT data, 84% pass the MOT (a 16% failure rate), with about 1 faults or advisories recorded per test.

The most frequently recorded Porsche 911 carrera MOT issues are: Nearside Rear Tyre worn close to the legal limit (4.1.E.1); Offside Rear Tyre worn close to the legal limit (4.1.E.1); Oil leak, but not excessive (8.4.1 (a) (i)).

The typical Porsche 911 carrera in our data has covered around 81,090 miles.

Compare the Porsche 911 carrera

See how the Porsche 911 carrera stacks up against other Porsche models on MOT reliability:

911 carrera vs 911 911 carrera vs Boxster 911 carrera vs Cayenne 911 carrera vs Macan

Check a specific Porsche 911 carrera

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