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MOT reliability

Porsche 911 turbo cabriolet

48 vehicles · 152 completed MOT tests analysed
84%
MOT pass rate

Based on 48 Porsche 911 turbo cabriolet vehicles and 152 completed MOT tests, the Porsche 911 turbo cabriolet has an overall 84% pass rate, with an average recorded mileage of 62,264 miles.

48
Vehicles
152
MOT tests
380
Avg miles / year
0.5
Faults per test
0%
Dangerous-fault share

Porsche 911 turbo cabriolet problem areas

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

  • Other108%
  • Emissions & nuisance15%
  • Steering10%
  • Brakes4%
  • Visibility3%
  • Seatbelts & equipment1%
  • Lamps & electrical1%

Porsche 911 turbo cabriolet pass rate by age

Age (years)TestsPass rate
17667%
181275%
191369%
201070%

Fuel types: Petrol (47), Other (1)

Most common Porsche 911 turbo cabriolet MOT faults

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

  1. Oil leak (8 times)
  2. Nearside Front Tyre worn close to the legal limit (4.1.E.1) (4 times)
  3. Front Windscreen washer provides insufficient washer liquid (8.2.3) (4 times)
  4. Offside Front Tyre worn close to the legal limit (4.1.E.1) (3 times)
  5. Offside Front Tyre tread depth below requirements of 1.6mm (4.1.E.1) (3 times)
  6. Exhaust emissions carbon monoxide content excessive (7.3.B.1a) (3 times)
  7. Nearside Front Brake hose bulging under pressure (3.6.B.3) (2 times)
  8. Nearside Front Front wheel bearing has excessive play (2.5.A.3c) (2 times)
  9. Nearside Rear Rear wheel bearing has slight play (2.6.2) (2 times)
  10. Rear fog lamp not working (1.3.2b) (2 times)
  11. Service brake requirements only just met. It would appear that the braking system requires adjustment or repair (1.2.1 (c)) (2 times)
  12. oil leak (2 times)
  13. Oil leak, but not excessive (8.4.1 (a) (i)) (2 times)
  14. Offside Rear Rear wheel bearing has slight play (2.6.2) (2 times)
  15. Nearside Front Front suspension has slight play in a upper suspension ball joint (2.5.B.1a) (2 times)

Porsche 911 turbo cabriolet pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
1990 1 10 80% 96,447
1989 4 47 81% 80,332
1988 5 84 85% 47,039

Porsche 911 turbo cabriolet reliability FAQ

Across 48 Porsche 911 turbo cabriolet vehicles in our MOT data, 84% pass the MOT (a 16% failure rate), with about 0.5 faults or advisories recorded per test.

The most frequently recorded Porsche 911 turbo cabriolet MOT issues are: Oil leak; Nearside Front Tyre worn close to the legal limit (4.1.E.1); Front Windscreen washer provides insufficient washer liquid (8.2.3).

The typical Porsche 911 turbo cabriolet in our data has covered around 62,264 miles.

Compare the Porsche 911 turbo cabriolet

See how the Porsche 911 turbo cabriolet stacks up against other Porsche models on MOT reliability:

911 turbo cabriolet vs 911 911 turbo cabriolet vs Boxster 911 turbo cabriolet vs Cayenne 911 turbo cabriolet vs Macan

Check a specific Porsche 911 turbo cabriolet

Enter a registration to see that exact vehicle's full MOT history, advisories and recurring faults.

See all Porsche models · Learn about common MOT failures · what an MOT checks