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MOT reliability

Porsche 911 turbo coupe

90 vehicles · 88 completed MOT tests analysed
76%
MOT pass rate

Based on 90 Porsche 911 turbo coupe vehicles and 88 completed MOT tests, the Porsche 911 turbo coupe has an overall 76% pass rate, with an average recorded mileage of 67,043 miles.

90
Vehicles
88
MOT tests
520
Avg miles / year
1
Faults per test
0%
Dangerous-fault share

Porsche 911 turbo coupe problem areas

Where faults occur most across all Porsche 911 turbo coupe MOT tests:

  • Other87%
  • Tyres, wheels & suspension16%
  • Brakes10%
  • Emissions & nuisance7%
  • Seatbelts & equipment1%
  • Steering1%

Porsche 911 turbo coupe pass rate by age

Age (years)TestsPass rate
410%
5250%
71100%
8367%
91100%
10367%
11367%
12333%
13580%
14956%
15650%
16580%
171100%
18250%
192100%
201100%

Fuel types: Petrol (86), LPG (2), Other (2)

Most common Porsche 911 turbo coupe MOT faults

These are the faults and advisories recorded most often across Porsche 911 turbo coupe MOT tests:

  1. Oil leak (3 times)
  2. Offside rear parking brake recording little or no effort (3.7.B.6a) (3 times)
  3. Offside Seat belt anchorage prescribed area is excessively corroded (5.2.6) (3 times)
  4. Brakes imbalanced across an axle (3.7.B.5b) (3 times)
  5. Windscreen washer provides insufficient washer liquid (8.2.3) (3 times)
  6. Exhaust emissions Lambda reading after 2nd fast idle outside specified limits (7.3.D.3) (2 times)
  7. Nearside Front Tyre worn close to the legal limit (4.1.E.1) (2 times)
  8. Offside Rear Road wheel with a slightly distorted bead rim (4.2.A.1a) (2 times)
  9. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (2 times)
  10. Nearside front brake juddering slightly (3.7.A.2b) (2 times)
  11. corrosion on several brake pipes (2 times)
  12. suspect rear wheel bearing noisey (2 times)
  13. Offside Front Lower Suspension arm has excessive play in a ball joint (2.4.G.2) (2 times)
  14. Offside Headlamp aim too high (1.8) (2 times)
  15. Nearside Front brake disc cracked (3.5.1h) (1 times)

Porsche 911 turbo coupe pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
2001 1 11 64% 77,504
1998 2 27 70% 39,946
1993 2 24 83% 56,917
1992 1 3 67% 55,980
1990 1 2 50% 99,944

Porsche 911 turbo coupe reliability FAQ

Across 90 Porsche 911 turbo coupe vehicles in our MOT data, 76% pass the MOT (a 24% failure rate), with about 1 faults or advisories recorded per test.

The most frequently recorded Porsche 911 turbo coupe MOT issues are: Oil leak; Offside rear parking brake recording little or no effort (3.7.B.6a); Offside Seat belt anchorage prescribed area is excessively corroded (5.2.6).

The typical Porsche 911 turbo coupe in our data has covered around 67,043 miles.

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