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MOT reliability

Porsche 911 4s

1 vehicles · 14 completed MOT tests analysed
93%
MOT pass rate

Based on 1 Porsche 911 4s vehicles and 14 completed MOT tests, the Porsche 911 4s has an overall 93% pass rate, with an average recorded mileage of 68,645 miles.

1
Vehicles
14
MOT tests
3,464
Avg miles / year
0.7
Faults per test
0%
Dangerous-fault share

Porsche 911 4s problem areas

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

  • Other70%
  • Body & structure20%
  • Emissions & nuisance10%

Porsche 911 4s pass rate by age

Age (years)TestsPass rate
111100%
122100%
131100%
141100%
151100%
161100%
171100%
181100%
191100%
201100%

Fuel types: Petrol (1)

Most common Porsche 911 4s MOT faults

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

  1. Nearside Rear Tyre worn close to the legal limit (4.1.E.1) (2 times)
  2. Nearside Front brake disc worn, pitted or scored, but not seriously weakened (3.5.1i) (1 times)
  3. Offside Front brake disc worn, pitted or scored, but not seriously weakened (3.5.1i) (1 times)
  4. Rear brake disc worn, pitted or scored, but not seriously weakened (3.5.1i) (1 times)
  5. Nearside Rear Nail in tyre (1 times)
  6. Offside Rear Tyre worn close to the legal limit (4.1.E.1) (1 times)
  7. Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) (1 times)
  8. Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) (1 times)
  9. Rear Prop shaft flexible coupling excessively deteriorated (6.1.7 (d) (i)) (1 times)

Porsche 911 4s pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
2003 1 14 93% 68,645

Porsche 911 4s reliability FAQ

Across 1 Porsche 911 4s vehicles in our MOT data, 93% pass the MOT (a 7% failure rate), with about 0.7 faults or advisories recorded per test.

The most frequently recorded Porsche 911 4s MOT issues are: Nearside Rear Tyre worn close to the legal limit (4.1.E.1); Nearside Front brake disc worn, pitted or scored, but not seriously weakened (3.5.1i); Offside Front brake disc worn, pitted or scored, but not seriously weakened (3.5.1i).

The typical Porsche 911 4s in our data has covered around 68,645 miles.

Compare the Porsche 911 4s

See how the Porsche 911 4s stacks up against other Porsche models on MOT reliability:


Check a specific Porsche 911 4s

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