Porsche 911 carrera t vs Porsche Macan: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Porsche 911 carrera t
89%
MOT pass rate · 310 vehicles
Porsche Macan
92%
MOT pass rate · 37,639 vehicles
Verdict: On MOT pass rate the Porsche 911 carrera t (89%) 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 t | Porsche Macan |
|---|---|---|
| MOT pass rate | 89% | 92% ✓ |
| MOT failure rate | 11% | 8% ✓ |
| Faults & advisories per test | 0.2 ✓ | 0.8 |
| Dangerous-fault share | 0% ✓ | 4% |
| Average mileage | 14,844 mi | 50,555 mi |
| Sample size (vehicles) | 310 | 37,639 |
Most common faults
Porsche 911 carrera t
- Nearside Rear Tyre worn close to legal limit/worn on edge tyre wearing on inner edge (5.2.3 (e))
- Offside Front Suspension unit leaking unable to determine whether its pipe, connection or unit (5.3.5 (c))
- Coolant leak
- Windscreen washer provides insufficient washer liquid (3.5 (a))
- Front Brakes imbalanced across an axle brake imbalance of 28% on front brakes (1.2.1 (b) (i))
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 911 carrera t (89%) 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 t 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.