Seat Leon vs Seat Leon se tsi: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Seat Leon
78%
MOT pass rate · 262,792 vehicles
Seat Leon se tsi
91%
MOT pass rate · 711 vehicles
More reliable
Verdict: On MOT pass rate, the Seat Leon se tsi is the more reliable of the two — 91% pass first time versus 78%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Seat Leon | Seat Leon se tsi |
|---|---|---|
| MOT pass rate | 78% | 91% ✓ |
| MOT failure rate | 22% | 9% ✓ |
| Faults & advisories per test | 1.8 | 0.1 ✓ |
| Dangerous-fault share | 3% ✓ | 8% |
| Average mileage | 103,954 mi | 86,377 mi |
| Sample size (vehicles) | 262,792 | 711 |
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 Leon se tsi
- Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- 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 Front Shock absorbers has light misting of oil (5.3.2 (b))
- Offside Front Shock absorbers has light misting of oil (5.3.2 (b))
- Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))
Reliability FAQ
On MOT pass rate, the Seat Leon se tsi is the more reliable of the two — 91% pass first time versus 78%. It's one signal among several; check the full breakdown below.
Full Seat Leon report Full Seat Leon se tsi 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.