Seat Leon vs Seat Marbella: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Seat Leon
78%
MOT pass rate · 262,792 vehicles
More reliable
Seat Marbella
64%
MOT pass rate · 3,534 vehicles
Verdict: On MOT pass rate, the Seat Leon is the more reliable of the two — 78% pass first time versus 64%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Seat Leon | Seat Marbella |
|---|---|---|
| MOT pass rate | 78% ✓ | 64% |
| MOT failure rate | 22% ✓ | 36% |
| Faults & advisories per test | 1.8 ✓ | 2.3 |
| Dangerous-fault share | 3% | 0% ✓ |
| Average mileage | 103,954 mi | 58,195 mi |
| Sample size (vehicles) | 262,792 | 3,534 |
Most common faults
Seat Leon
- Offside Front 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 Front Tyre worn close to the legal limit (4.1.E.1)
- Offside Front Tyre worn close to the legal limit (4.1.E.1)
- Nearside Front Shock absorbers has light misting of oil (5.3.2 (b))
- Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
Seat Marbella
- Nearside Front Macpherson strut has slight movement at the upper attachment (2.5.A.1c)
- Offside Front Macpherson strut has slight movement at the upper attachment (2.5.A.1c)
- Oil leak
- Parking brake: efficiency below requirements (3.7.B.7)
- Brakes imbalanced across an axle (3.7.B.5b)
- Nearside Front Tyre worn close to the legal limit (4.1.E.1)
Reliability FAQ
On MOT pass rate, the Seat Leon is the more reliable of the two — 78% pass first time versus 64%. It's one signal among several; check the full breakdown below.
Full Seat Leon report Full Seat Marbella 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.