Porsche 911 3.8rs vs Porsche Macan: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Porsche 911 3.8rs
100%
MOT pass rate · 1 vehicles
Porsche Macan
92%
MOT pass rate · 37,639 vehicles
Verdict: On MOT pass rate the Porsche 911 3.8rs (100%) 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 3.8rs | Porsche Macan |
|---|---|---|
| MOT pass rate | 100% ✓ | 92% |
| MOT failure rate | 0% ✓ | 8% |
| Faults & advisories per test | 0.1 ✓ | 0.8 |
| Dangerous-fault share | 0% ✓ | 4% |
| Average mileage | 21,501 mi | 50,555 mi |
| Sample size (vehicles) | 1 | 37,639 |
Most common faults
Porsche 911 3.8rs
- both head lights aim on lowest limits.
- Rear Tyre worn close to the legal limit (4.1.E.1)
- Rear Inner ball joints on rear axle slightly perished
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 3.8rs (100%) and Porsche Macan (92%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Porsche 911 3.8rs 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.