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MOT reliability

Porsche 911 speedster

153 vehicles · 329 completed MOT tests analysed
95%
MOT pass rate

Based on 153 Porsche 911 speedster vehicles and 329 completed MOT tests, the Porsche 911 speedster has an overall 95% pass rate, with an average recorded mileage of 11,748 miles.

153
Vehicles
329
MOT tests
595
Avg miles / year
0.2
Faults per test
0%
Dangerous-fault share

Porsche 911 speedster problem areas

Where faults occur most across all Porsche 911 speedster MOT tests:

  • Other76%
  • Tyres, wheels & suspension11%
  • Emissions & nuisance8%
  • Brakes4%
  • Lamps & electrical4%
  • Visibility3%
  • Identification & plates3%
  • Seatbelts & equipment1%

Porsche 911 speedster pass rate by age

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

Age (years)TestsPass rate
21100%
346100%
45496%
56198%
655100%
719100%
81100%
91100%
101100%
111100%
12367%
141100%
152100%
161100%
17967%
18683%
19771%
204100%

Fuel types: Petrol (152), Other (1)

Most common Porsche 911 speedster MOT faults

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

  1. Nearside rear brake binding (3.7.B.1) (3 times)
  2. Nearside Front Wheel bearing has slight play (5.1.3 (a) (i)) (2 times)
  3. Offside Rear Tyre has a cut but not deep enough to reach the ply or cords (5.2.3 (d) (i)) (2 times)
  4. Undertrays and covers fitted, blocking the visual inspection of various components (2 times)
  5. Windscreen washer provides insufficient washer liquid (8.2.3) (2 times)
  6. Nearside Front Lower Anti-roll bar linkage rubber mounting deteriorated but not resulting in excessive movement (2.4.G.2) (2 times)
  7. Offside Front Lower Anti-roll bar linkage rubber mounting deteriorated but not resulting in excessive movement (2.4.G.2) (2 times)
  8. Nearside Front Front wheel bearing has slight play (2.5.A.3c) (2 times)
  9. Nearside Front Lower Anti-roll bar linkage rubber bush deteriorated but not resulting in excessive movement (2.4.G.2) (2 times)
  10. Offside Front Front wheel bearing has slight play (2.5.A.3c) (2 times)
  11. Front Registration plate missing (0.1 (a)) (2 times)
  12. Nearside Stop lamp not working (1.2.1b) (1 times)
  13. Offside Rear fog lamp not working (1.3.2b) (1 times)
  14. Offside Front position lamp(s) not working (1.1.A.3b) (1 times)
  15. Front registration plate character(s) incorrectly spaced (6.3.4a) (1 times)

Porsche 911 speedster pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
2020 5 15 100% 4,279
2019 64 220 99% 4,472
1998 1 12 100% 71,593
1994 1 2 50% 141,649
1990 2 23 74% 34,261
1989 7 45 89% 17,890
1977 2 4 75% 107,670
1973 2 7 100% 28,441

Porsche 911 speedster reliability FAQ

Across 153 Porsche 911 speedster vehicles in our MOT data, 95% pass the MOT (a 5% failure rate), with about 0.2 faults or advisories recorded per test.

The most frequently recorded Porsche 911 speedster MOT issues are: Nearside rear brake binding (3.7.B.1); Nearside Front Wheel bearing has slight play (5.1.3 (a) (i)); Offside Rear Tyre has a cut but not deep enough to reach the ply or cords (5.2.3 (d) (i)).

The typical Porsche 911 speedster in our data has covered around 11,748 miles.

Compare the Porsche 911 speedster

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