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Porsche 911 targa 4s auto vs Porsche Macan: reliability comparison

MOT pass rates, common faults and mileage compared from real UK MOT data.

Porsche 911 targa 4s auto
94%
MOT pass rate · 309 vehicles
Porsche Macan
92%
MOT pass rate · 37,639 vehicles
Verdict: On MOT pass rate the Porsche 911 targa 4s auto (94%) and Porsche Macan (92%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Porsche 911 targa 4s auto Porsche Macan
MOT pass rate 94% ✓ 92%
MOT failure rate 6% ✓ 8%
Faults & advisories per test 0.3 ✓ 0.8
Dangerous-fault share 11% 4% ✓
Average mileage 8,954 mi 50,555 mi
Sample size (vehicles) 309 37,639

Most common faults

Porsche 911 targa 4s auto

  1. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  2. Coolant leak
  3. Covers installed
  4. Nearside Front Outer Tyre has a cut but not deep enough to reach the ply or cords (5.2.3 (d) (i))
  5. Offside Rear Outer Tyre has a cut but not deep enough to reach the ply or cords (5.2.3 (d) (i))
  6. undertray fitted preventing full underside inspection

Porsche Macan

  1. Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  2. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  3. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  4. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  5. Front Brake pad(s) wearing thin (1.1.13 (a) (ii))
  6. Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))

Reliability FAQ

On MOT pass rate the Porsche 911 targa 4s auto (94%) and Porsche Macan (92%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Porsche 911 targa 4s auto report Full Porsche Macan report Most reliable cars

Pass rates are computed over completed (pass/fail) MOT tests. Reliability also depends on age, mileage and upkeep — see each model's page for the full picture.