Seat Ibiza cls vs Seat Leon: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Seat Ibiza cls
62%
MOT pass rate · 2,271 vehicles
Seat Leon
78%
MOT pass rate · 262,792 vehicles
More reliable
Verdict: On MOT pass rate, the Seat Leon is the more reliable of the two — 78% pass first time versus 62%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Seat Ibiza cls | Seat Leon |
|---|---|---|
| MOT pass rate | 62% | 78% ✓ |
| MOT failure rate | 38% | 22% ✓ |
| Faults & advisories per test | 2.4 | 1.8 ✓ |
| Dangerous-fault share | 0% ✓ | 3% |
| Average mileage | 101,842 mi | 103,954 mi |
| Sample size (vehicles) | 2,271 | 262,792 |
Most common faults
Seat Ibiza cls
- Nearside Front Tyre worn close to the legal limit (4.1.E.1)
- Parking brake: efficiency below requirements (3.7.B.7)
- Nearside Front Tyre tread depth below requirements of 1.6mm (4.1.E.1)
- Offside Front Tyre tread depth below requirements of 1.6mm (4.1.E.1)
- Exhaust emissions Lambda reading after 2nd fast idle outside specified limits (7.3.D.3)
- Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
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)
Reliability FAQ
On MOT pass rate, the Seat Leon is the more reliable of the two — 78% pass first time versus 62%. It's one signal among several; check the full breakdown below.
Full Seat Ibiza cls report Full Seat Leon 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.