Daihatsu Sirion vs Daihatsu Sport track: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Daihatsu Sirion
77%
MOT pass rate · 16,687 vehicles
Daihatsu Sport track
83%
MOT pass rate · 2 vehicles
Verdict: On MOT pass rate the Daihatsu Sirion (77%) and Daihatsu Sport track (83%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Daihatsu Sirion | Daihatsu Sport track |
|---|---|---|
| MOT pass rate | 77% | 83% ✓ |
| MOT failure rate | 23% | 17% ✓ |
| Faults & advisories per test | 1.8 | 0.3 ✓ |
| Dangerous-fault share | 1% | 0% ✓ |
| Average mileage | 80,054 mi | 71,515 mi |
| Sample size (vehicles) | 16,687 | 2 |
Most common faults
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)
Daihatsu Sport track
- Parking brake: efficiency below requirements (3.7.B.7)
- Offside Rear Brake pipe slightly corroded (3.6.B.2c)
Reliability FAQ
On MOT pass rate the Daihatsu Sirion (77%) and Daihatsu Sport track (83%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Daihatsu Sirion report Full Daihatsu Sport track 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.