Porsche 550spyder vs Porsche Macan: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Porsche 550spyder
50%
MOT pass rate · 1 vehicles
Porsche Macan
92%
MOT pass rate · 37,639 vehicles
Verdict: On MOT pass rate the Porsche 550spyder (50%) 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 550spyder | Porsche Macan |
|---|---|---|
| MOT pass rate | 50% | 92% ✓ |
| MOT failure rate | 50% | 8% ✓ |
| Faults & advisories per test | 2.5 | 0.8 ✓ |
| Dangerous-fault share | 0% ✓ | 4% |
| Average mileage | 32,623 mi | 50,555 mi |
| Sample size (vehicles) | 1 | 37,639 |
Most common faults
Porsche 550spyder
- Oil leak
- handbrake cable fouling exhaust headlight deflectors fitted at time of MOT
- Offside Rear Fuel system component leaking carb (7.2.3)
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 550spyder (50%) and Porsche Macan (92%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Porsche 550spyder 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.