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MOT reliability

Porsche 911 targa 4s auto

309 vehicles · 106 completed MOT tests analysed
94%
MOT pass rate

Based on 309 Porsche 911 targa 4s auto vehicles and 106 completed MOT tests, the Porsche 911 targa 4s auto has an overall 94% pass rate, with an average recorded mileage of 8,954 miles.

309
Vehicles
106
MOT tests
2,314
Avg miles / year
0.3
Faults per test
11%
Dangerous-fault share

Porsche 911 targa 4s auto problem areas

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

  • Tyres, wheels & suspension56%
  • Other22%
  • Visibility7%
  • Lamps & electrical7%
  • Identification & plates7%

Porsche 911 targa 4s auto pass rate by age

Age (years)TestsPass rate
21100%
38793%
418100%

Fuel types: Petrol (309)

Most common Porsche 911 targa 4s auto MOT faults

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

  1. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (2 times)
  2. Coolant leak (2 times)
  3. Covers installed (1 times)
  4. Nearside Front Outer Tyre has a cut but not deep enough to reach the ply or cords (5.2.3 (d) (i)) (1 times)
  5. Offside Rear Outer Tyre has a cut but not deep enough to reach the ply or cords (5.2.3 (d) (i)) (1 times)
  6. undertray fitted preventing full underside inspection (1 times)
  7. Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (1 times)
  8. Offside Rear Tyre has a bulge, caused by separation or partial failure of its structure (5.2.3 (d) (ii)) (1 times)
  9. Nearside Front Inner Tyre slightly damaged/cracking or perishing sidewall cut. (5.2.3 (d) (ii)) (1 times)
  10. Offside Front Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii)) (1 times)
  11. Front Windscreen washer provides insufficient washer liquid not spraying on windscreen, fluid drops on floor (3.5 (a)) (1 times)
  12. Offside Rear Tyre has a cut in excess of the requirements deep enough to reach the ply or cords (5.2.3 (d) (i)) (1 times)
  13. Nearside Rear Tyre has ply or cords exposed (5.2.3 (d) (ii)) (1 times)
  14. Nearside Headlamp aim too high (4.1.2 (a)) (1 times)
  15. Offside Headlamp aim too high (4.1.2 (a)) (1 times)

Porsche 911 targa 4s auto pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
2023 38 41 93% 8,017
2022 52 65 95% 9,638

Porsche 911 targa 4s auto reliability FAQ

Across 309 Porsche 911 targa 4s auto vehicles in our MOT data, 94% pass the MOT (a 6% failure rate), with about 0.3 faults or advisories recorded per test.

The most frequently recorded Porsche 911 targa 4s auto MOT issues are: Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)); Coolant leak ; Covers installed.

The typical Porsche 911 targa 4s auto in our data has covered around 8,954 miles.

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