Daihatsu Rocky wagon vs Daihatsu Sirion: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Daihatsu Rocky wagon
50%
MOT pass rate · 1 vehicles
Daihatsu Sirion
77%
MOT pass rate · 16,687 vehicles
Verdict: On MOT pass rate the Daihatsu Rocky wagon (50%) and Daihatsu Sirion (77%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Daihatsu Rocky wagon | Daihatsu Sirion |
|---|---|---|
| MOT pass rate | 50% | 77% ✓ |
| MOT failure rate | 50% | 23% ✓ |
| Faults & advisories per test | 1.5 ✓ | 1.8 |
| Dangerous-fault share | 0% ✓ | 1% |
| Average mileage | 52,664 mi | 80,054 mi |
| Sample size (vehicles) | 1 | 16,687 |
Most common faults
Daihatsu Rocky wagon
- 1. Welding to body poor. 2. Repair to front exhaust section not blowing at time of test. 3. Oil low on dip stick.
- 4. Clutch pedal rubber missing.
- Battery insecure (1.9.1)
- Offside Rear Shock absorber insecure (2.7.2b)
- Offside Side repeater not working (1.4.A.2c)
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 Rocky wagon (50%) and Daihatsu Sirion (77%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Daihatsu Rocky wagon 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.