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MOT reliability

Porsche 911 carrera 4s

375 vehicles · 1,819 completed MOT tests analysed
88%
MOT pass rate

Based on 375 Porsche 911 carrera 4s vehicles and 1,819 completed MOT tests, the Porsche 911 carrera 4s has an overall 88% pass rate, with an average recorded mileage of 36,258 miles.

375
Vehicles
1,819
MOT tests
3,553
Avg miles / year
0.8
Faults per test
2%
Dangerous-fault share

Porsche 911 carrera 4s problem areas

Where faults occur most across all Porsche 911 carrera 4s MOT tests:

  • Other51%
  • Tyres, wheels & suspension25%
  • Brakes16%
  • Lamps & electrical7%
  • Body & structure4%
  • Emissions & nuisance4%
  • Visibility3%
  • Steering1%

Porsche 911 carrera 4s pass rate by age

How the Porsche 911 carrera 4s's MOT pass rate changes as it ages (buckets with 20+ tests).

Age (years)TestsPass rate
2683%
324495%
423092%
511290%
68386%
77288%
87290%
97089%
107683%
117190%
127389%
138084%
146887%
156583%
165782%
175178%
183982%
194580%
203781%

Fuel types: Petrol (350), Other (25)

Most common Porsche 911 carrera 4s MOT faults

These are the faults and advisories recorded most often across Porsche 911 carrera 4s MOT tests:

  1. Offside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c)) (27 times)
  2. Oil leak, but not excessive (8.4.1 (a) (i)) (20 times)
  3. Under-trays fitted obscuring some underside components (20 times)
  4. Nearside Rear Tyre worn close to the legal limit (4.1.E.1) (19 times)
  5. Offside Rear Tyre worn close to the legal limit (4.1.E.1) (19 times)
  6. Nearside Front Tyre worn close to the legal limit (4.1.E.1) (17 times)
  7. Offside Front Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii)) (17 times)
  8. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (16 times)
  9. Nearside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c)) (16 times)
  10. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (16 times)
  11. Nearside Front Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii)) (16 times)
  12. Nearside Registration plate lamp inoperative in the case of multiple lamps or light sources (4.7.1 (b) (i)) (14 times)
  13. Offside Front Tyre worn close to the legal limit (4.1.E.1) (14 times)
  14. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (13 times)
  15. Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) (11 times)

Porsche 911 carrera 4s pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
2023 4 4 100% 13,440
2022 18 31 94% 13,311
2021 136 299 95% 17,734
2020 3 9 100% 13,481
2019 2 11 73% 38,374
2017 1 3 100% 41,208
2016 1 8 100% 33,802
2014 1 10 90% 16,995
2013 11 116 91% 53,166
2012 5 56 93% 40,455
2011 1 14 93% 76,474
2010 5 79 89% 42,886
2009 12 177 90% 67,384
2008 3 50 84% 57,387
2007 4 83 81% 76,257
2006 3 59 81% 55,707
2005 3 43 88% 52,297
2004 15 219 82% 57,355
2003 18 155 86% 50,620
2002 13 179 81% 77,805
2001 2 22 86% 58,513
1996 1 1 100% 57,321

Porsche 911 carrera 4s reliability FAQ

Across 375 Porsche 911 carrera 4s vehicles in our MOT data, 88% pass the MOT (a 12% failure rate), with about 0.8 faults or advisories recorded per test.

The most frequently recorded Porsche 911 carrera 4s MOT issues are: Offside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c)); Oil leak, but not excessive (8.4.1 (a) (i)); Under-trays fitted obscuring some underside components.

The typical Porsche 911 carrera 4s in our data has covered around 36,258 miles.

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