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MOT reliability

Porsche 911 carrera 4

469 vehicles · 890 completed MOT tests analysed
84%
MOT pass rate

Based on 469 Porsche 911 carrera 4 vehicles and 890 completed MOT tests, the Porsche 911 carrera 4 has an overall 84% pass rate, with an average recorded mileage of 92,302 miles.

469
Vehicles
890
MOT tests
4,431
Avg miles / year
0.7
Faults per test
0%
Dangerous-fault share

Porsche 911 carrera 4 problem areas

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

  • Other87%
  • Brakes12%
  • Tyres, wheels & suspension10%
  • Emissions & nuisance7%
  • Lamps & electrical4%
  • Seatbelts & equipment2%
  • Visibility1%
  • Body & structure1%

Porsche 911 carrera 4 pass rate by age

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

Age (years)TestsPass rate
2250%
31688%
42983%
52785%
63683%
74082%
83181%
92391%
102496%
112677%
122286%
132383%
142483%
153275%
163382%
174281%
183773%
192677%
201493%

Fuel types: Petrol (393), LPG (48), Other (27), Diesel (1)

Most common Porsche 911 carrera 4 MOT faults

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

  1. Nearside Rear Tyre worn close to the legal limit (4.1.E.1) (15 times)
  2. Nearside Front Tyre worn close to the legal limit (4.1.E.1) (14 times)
  3. Offside Front Tyre worn close to the legal limit (4.1.E.1) (14 times)
  4. Offside Rear Tyre worn close to the legal limit (4.1.E.1) (12 times)
  5. Oil leak, but not excessive (8.4.1 (a) (i)) (12 times)
  6. Oil leak (10 times)
  7. Offside Rear fog lamp not working (1.3.2b) (8 times)
  8. Nearside Front brake disc worn, pitted or scored, but not seriously weakened (3.5.1i) (7 times)
  9. Offside Front brake disc worn, pitted or scored, but not seriously weakened (3.5.1i) (7 times)
  10. Tyre worn close to the legal limit (4.1.E.1) (6 times)
  11. Offside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c)) (5 times)
  12. Nearside Windscreen wiper does not clear the windscreen effectively (8.2.2) (5 times)
  13. Nearside Rear Tyre tread depth below requirements of 1.6mm (4.1.E.1) (5 times)
  14. Front Brake pad(s) wearing thin (3.5.1g) (5 times)
  15. Offside Rear Tyre tread depth below requirements of 1.6mm (4.1.E.1) (5 times)

Porsche 911 carrera 4 pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
2017 1 5 100% 19,055
2013 2 23 91% 32,098
2012 4 50 90% 38,774
2004 3 28 75% 47,919
2003 5 19 84% 52,607
2002 4 70 83% 103,727
2001 12 134 83% 100,314
2000 4 20 80% 60,560
1999 11 37 81% 62,642
1998 2 4 75% 80,822
1997 2 15 87% 57,375
1996 5 15 80% 69,518
1995 7 60 90% 88,916
1993 2 16 69%
1992 4 13 69% 97,124
1991 6 28 82% 117,653
1990 9 31 68% 148,628
1989 13 108 81% 79,991

Porsche 911 carrera 4 reliability FAQ

Across 469 Porsche 911 carrera 4 vehicles in our MOT data, 84% pass the MOT (a 16% failure rate), with about 0.7 faults or advisories recorded per test.

The most frequently recorded Porsche 911 carrera 4 MOT issues are: Nearside Rear Tyre worn close to the legal limit (4.1.E.1); Nearside Front Tyre worn close to the legal limit (4.1.E.1); Offside Front Tyre worn close to the legal limit (4.1.E.1).

The typical Porsche 911 carrera 4 in our data has covered around 92,302 miles.

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