Daihatsu Opti vs Daihatsu Terios: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Daihatsu Opti
66%
MOT pass rate · 3 vehicles
Daihatsu Terios
74%
MOT pass rate · 15,008 vehicles
Verdict: On MOT pass rate the Daihatsu Opti (66%) and Daihatsu Terios (74%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Daihatsu Opti | Daihatsu Terios |
|---|---|---|
| MOT pass rate | 66% | 74% ✓ |
| MOT failure rate | 34% | 26% ✓ |
| Faults & advisories per test | 3.2 | 2.1 ✓ |
| Dangerous-fault share | 1% | 1% |
| Average mileage | 103,505 mi | 98,220 mi |
| Sample size (vehicles) | 3 | 15,008 |
Most common faults
Daihatsu Opti
- Exhaust emissions carbon monoxide content after 2nd fast idle excessive (7.3.D.3)
- Nearside Front Anti-roll bar rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)
- Play in steering rack inner joint(s)
- Offside Front Anti-roll bar rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)
- Offside Rear Tyre worn close to the legal limit (4.1.E.1)
- Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
Daihatsu Terios
- Front Brake pad(s) wearing thin (3.5.1g)
- 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)
- Exhaust emissions Lambda reading after 2nd fast idle outside specified limits (7.3.D.3)
- Offside Rear Tyre worn close to the legal limit (4.1.E.1)
- Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
Reliability FAQ
On MOT pass rate the Daihatsu Opti (66%) and Daihatsu Terios (74%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Daihatsu Opti report Full Daihatsu Terios 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.