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Porsche 911 carrera 4 auto vs Porsche Macan: reliability comparison

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

Porsche 911 carrera 4 auto
93%
MOT pass rate · 127 vehicles
Porsche Macan
92%
MOT pass rate · 37,639 vehicles
Verdict: On MOT pass rate the Porsche 911 carrera 4 auto (93%) 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 carrera 4 auto Porsche Macan
MOT pass rate 93% ✓ 92%
MOT failure rate 7% ✓ 8%
Faults & advisories per test 0.4 ✓ 0.8
Dangerous-fault share 11% 4% ✓
Average mileage 21,836 mi 50,555 mi
Sample size (vehicles) 127 37,639

Most common faults

Porsche 911 carrera 4 auto

  1. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  2. Nearside Front Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
  3. Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  4. Offside Front Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
  5. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  6. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))

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 carrera 4 auto (93%) and Porsche Macan (92%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Porsche 911 carrera 4 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.