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MOT reliability

Porsche 911 carrera 4 tiptronic

77 vehicles · 1,287 completed MOT tests analysed
81%
MOT pass rate

Based on 77 Porsche 911 carrera 4 tiptronic vehicles and 1,287 completed MOT tests, the Porsche 911 carrera 4 tiptronic has an overall 81% pass rate, with an average recorded mileage of 84,094 miles.

77
Vehicles
1,287
MOT tests
3,460
Avg miles / year
1.4
Faults per test
1%
Dangerous-fault share

Porsche 911 carrera 4 tiptronic problem areas

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

  • Other70%
  • Tyres, wheels & suspension14%
  • Brakes14%
  • Lamps & electrical6%
  • Emissions & nuisance3%
  • Body & structure3%
  • Visibility2%
  • Seatbelts & equipment2%

Porsche 911 carrera 4 tiptronic pass rate by age

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

Age (years)TestsPass rate
34082%
45886%
57381%
66289%
76488%
86383%
97087%
106980%
116778%
126384%
137973%
146575%
157175%
165285%
176376%
184877%
196274%
205682%

Fuel types: Petrol (77)

Most common Porsche 911 carrera 4 tiptronic MOT faults

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

  1. Nearside Rear Tyre worn close to the legal limit (4.1.E.1) (46 times)
  2. Offside Rear Tyre worn close to the legal limit (4.1.E.1) (42 times)
  3. Nearside Front Tyre worn close to the legal limit (4.1.E.1) (35 times)
  4. Under-trays fitted obscuring some underside components (34 times)
  5. Offside Front Tyre worn close to the legal limit (4.1.E.1) (29 times)
  6. Offside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c)) (22 times)
  7. Nearside Front position lamp(s) not working (1.1.A.3b) (21 times)
  8. Nearside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c)) (20 times)
  9. Offside Front Brake pipe slightly corroded (3.6.B.2c) (18 times)
  10. Windscreen has damage to an area less than a 10mm circle within zone 'A' (8.3.1a) (18 times)
  11. Offside Front brake disc worn, pitted or scored, but not seriously weakened (3.5.1i) (18 times)
  12. Nearside Front brake disc worn, pitted or scored, but not seriously weakened (3.5.1i) (17 times)
  13. Nearside Front Brake pipe slightly corroded (3.6.B.2c) (16 times)
  14. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (16 times)
  15. Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) (16 times)

Porsche 911 carrera 4 tiptronic pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
2004 2 42 81% 75,060
2003 24 494 84% 86,851
2002 30 608 79% 83,079
2001 6 135 78% 92,316

Porsche 911 carrera 4 tiptronic reliability FAQ

Across 77 Porsche 911 carrera 4 tiptronic vehicles in our MOT data, 81% pass the MOT (a 19% failure rate), with about 1.4 faults or advisories recorded per test.

The most frequently recorded Porsche 911 carrera 4 tiptronic 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); Nearside Front Tyre worn close to the legal limit (4.1.E.1).

The typical Porsche 911 carrera 4 tiptronic in our data has covered around 84,094 miles.

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