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Porsche 911 gt3 vs Porsche Macan: reliability comparison

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

Porsche 911 gt3
95%
MOT pass rate · 533 vehicles
More reliable
Porsche Macan
92%
MOT pass rate · 37,639 vehicles
Verdict: On MOT pass rate, the Porsche 911 gt3 is the more reliable of the two — 95% pass first time versus 92%. It's one signal among several; check the full breakdown below.

Head to head

Measure Porsche 911 gt3 Porsche Macan
MOT pass rate 95% ✓ 92%
MOT failure rate 5% ✓ 8%
Faults & advisories per test 0.2 ✓ 0.8
Dangerous-fault share 3% ✓ 4%
Average mileage 11,062 mi 50,555 mi
Sample size (vehicles) 533 37,639

Most common faults

Porsche 911 gt3

  1. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  2. Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  3. Front Registration plate missing (0.1 (a))
  4. Under-trays fitted obscuring some underside components
  5. Nearside Front Shock absorbers has light misting of oil (5.3.2 (b))
  6. Nearside Rear Tyre worn close to the legal limit (4.1.E.1)

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 gt3 is the more reliable of the two — 95% pass first time versus 92%. It's one signal among several; check the full breakdown below.

Full Porsche 911 gt3 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.