Skip to content

MOT reliability

Porsche 911 targa 4s

477 vehicles · 994 completed MOT tests analysed
96%
MOT pass rate

Based on 477 Porsche 911 targa 4s vehicles and 994 completed MOT tests, the Porsche 911 targa 4s has an overall 96% pass rate, with an average recorded mileage of 14,914 miles.

477
Vehicles
994
MOT tests
3,005
Avg miles / year
0.4
Faults per test
5%
Dangerous-fault share

Porsche 911 targa 4s problem areas

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

  • Tyres, wheels & suspension66%
  • Other19%
  • Brakes8%
  • Visibility2%
  • Emissions & nuisance2%
  • Lamps & electrical2%
  • Body & structure1%
  • Identification & plates1%

Porsche 911 targa 4s pass rate by age

How the Porsche 911 targa 4s's MOT pass rate changes as it ages (buckets with 20+ tests).

Age (years)TestsPass rate
216100%
335695%
434998%
517496%
62095%
78100%
88100%
98100%
108100%
111080%
123100%
13367%
14367%
15367%
162100%
172100%
18250%
192100%

Fuel types: Petrol (471), Other (6)

Most common Porsche 911 targa 4s MOT faults

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

  1. Offside Front Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii)) (23 times)
  2. Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (21 times)
  3. Nearside Front Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii)) (21 times)
  4. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (16 times)
  5. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (13 times)
  6. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (11 times)
  7. Nearside Rear Nail in tyre (10 times)
  8. Offside Rear Tyre has a cut but not deep enough to reach the ply or cords (5.2.3 (d) (i)) (7 times)
  9. Offside Rear Nail in tyre (6 times)
  10. undertrays, engine and component covers fitted (5 times)
  11. Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii)) (5 times)
  12. Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii)) (5 times)
  13. Oil leak, but not excessive (8.4.1 (a) (i)) (4 times)
  14. Rear Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii)) (4 times)
  15. Offside Rear Tyre has a cut in excess of the requirements deep enough to reach the ply or cords (5.2.3 (d) (i)) (4 times)

Porsche 911 targa 4s pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
2023 2 2 100% 3,410
2022 38 78 94% 13,108
2021 291 707 96% 13,700
2020 31 95 99% 16,989
2015 1 10 100% 96,561
2014 5 47 100% 25,483
2007 2 38 82% 71,738

Porsche 911 targa 4s reliability FAQ

Across 477 Porsche 911 targa 4s vehicles in our MOT data, 96% pass the MOT (a 4% failure rate), with about 0.4 faults or advisories recorded per test.

The most frequently recorded Porsche 911 targa 4s MOT issues are: Offside Front Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii)); Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)); Nearside Front Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii)).

The typical Porsche 911 targa 4s in our data has covered around 14,914 miles.

Compare the Porsche 911 targa 4s

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

911 targa 4s vs 911 911 targa 4s vs Boxster 911 targa 4s vs Cayenne 911 targa 4s vs Macan

Check a specific Porsche 911 targa 4s

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