Seat Arona vs Seat Se tdi: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Seat Arona
87%
MOT pass rate · 42,906 vehicles
Seat Se tdi
89%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Seat Arona (87%) and Seat Se tdi (89%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Seat Arona | Seat Se tdi |
|---|---|---|
| MOT pass rate | 87% | 89% ✓ |
| MOT failure rate | 13% | 11% ✓ |
| Faults & advisories per test | 1.2 | 1.1 ✓ |
| Dangerous-fault share | 6% | 0% ✓ |
| Average mileage | 43,681 mi | 135,537 mi |
| Sample size (vehicles) | 42,906 | 1 |
Most common faults
Seat Arona
- Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
- Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
- Front Brake pad(s) wearing thin (1.1.13 (a) (ii))
- 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))
- Rear Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))
Seat Se tdi
- Nearside Front Tyre worn close to the legal limit (4.1.E.1)
- Offside Rear 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 Tyre has ply or cords exposed (4.1.D.1b)
- Offside Front Tyre has ply or cords exposed (4.1.D.1b)
- Offside Front Brake pad(s) wearing thin (3.5.1g)
Reliability FAQ
On MOT pass rate the Seat Arona (87%) and Seat Se tdi (89%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Seat Arona report Full Seat Se tdi 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.