Seat Altea se tdi 140 vs Seat Arona: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Seat Altea se tdi 140
81%
MOT pass rate · 19 vehicles
Seat Arona
87%
MOT pass rate · 42,906 vehicles
Verdict: On MOT pass rate the Seat Altea se tdi 140 (81%) and Seat Arona (87%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Seat Altea se tdi 140 | Seat Arona |
|---|---|---|
| MOT pass rate | 81% | 87% ✓ |
| MOT failure rate | 19% | 13% ✓ |
| Faults & advisories per test | 0.0 ✓ | 1.2 |
| Dangerous-fault share | — ✓ | 6% |
| Average mileage | 155,230 mi | 43,681 mi |
| Sample size (vehicles) | 19 | 42,906 |
Most common faults
Seat Altea se tdi 140
No fault breakdown available.
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))
Reliability FAQ
On MOT pass rate the Seat Altea se tdi 140 (81%) and Seat Arona (87%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Seat Altea se tdi 140 report Full Seat Arona 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.