Porsche 911s vs Porsche Macan: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Porsche 911s
81%
MOT pass rate · 52 vehicles
Porsche Macan
92%
MOT pass rate · 37,639 vehicles
More reliable
Verdict: On MOT pass rate, the Porsche Macan is the more reliable of the two — 92% pass first time versus 81%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Porsche 911s | Porsche Macan |
|---|---|---|
| MOT pass rate | 81% | 92% ✓ |
| MOT failure rate | 19% | 8% ✓ |
| Faults & advisories per test | 1.3 | 0.8 ✓ |
| Dangerous-fault share | 1% ✓ | 4% |
| Average mileage | 58,725 mi | 50,555 mi |
| Sample size (vehicles) | 52 | 37,639 |
Most common faults
Porsche 911s
- Windscreen washer provides insufficient washer liquid (8.2.3)
- Nearside Headlamp aim beam image kick up to the offside (1.8)
- Offside Headlamp aim beam image kick up to the offside (1.8)
- Steering column top bearing slightly worn (2.1.2c)
- Nearside Front wheel bearing has slight play (2.5.A.3c)
- Horn not working (1.6.2a)
Porsche Macan
- Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Front Brake pad(s) wearing thin (1.1.13 (a) (ii))
- Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))
Reliability FAQ
On MOT pass rate, the Porsche Macan is the more reliable of the two — 92% pass first time versus 81%. It's one signal among several; check the full breakdown below.
Full Porsche 911s 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.