Daihatsu Cuore vs Daihatsu Sirion: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Daihatsu Cuore
71%
MOT pass rate · 5,810 vehicles
Daihatsu Sirion
77%
MOT pass rate · 16,687 vehicles
More reliable
Verdict: On MOT pass rate, the Daihatsu Sirion is the more reliable of the two — 77% pass first time versus 71%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Daihatsu Cuore | Daihatsu Sirion |
|---|---|---|
| MOT pass rate | 71% | 77% ✓ |
| MOT failure rate | 29% | 23% ✓ |
| Faults & advisories per test | 1.9 | 1.8 ✓ |
| Dangerous-fault share | 0% ✓ | 1% |
| Average mileage | 71,447 mi | 80,054 mi |
| Sample size (vehicles) | 5,810 | 16,687 |
Most common faults
Daihatsu Cuore
- 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)
- Front Brake pad(s) wearing thin (3.5.1g)
- Nearside Front Tyre tread depth below requirements of 1.6mm (4.1.E.1)
- Fuel pipe/s corroded
- Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
Daihatsu Sirion
- 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)
- Front Brake pad(s) wearing thin (3.5.1g)
- Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
- Offside Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c))
- Front brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)
Reliability FAQ
On MOT pass rate, the Daihatsu Sirion is the more reliable of the two — 77% pass first time versus 71%. It's one signal among several; check the full breakdown below.
Full Daihatsu Cuore report Full Daihatsu Sirion 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.