Kia Optima 3 crdi auto vs Kia Sportage: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Kia Optima 3 crdi auto
82%
MOT pass rate · 14 vehicles
Kia Sportage
80%
MOT pass rate · 294,137 vehicles
Verdict: On MOT pass rate the Kia Optima 3 crdi auto (82%) and Kia Sportage (80%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Kia Optima 3 crdi auto | Kia Sportage |
|---|---|---|
| MOT pass rate | 82% ✓ | 80% |
| MOT failure rate | 18% ✓ | 20% |
| Faults & advisories per test | 0.0 ✓ | 1.7 |
| Dangerous-fault share | — ✓ | 4% |
| Average mileage | 106,053 mi | 76,824 mi |
| Sample size (vehicles) | 14 | 294,137 |
Most common faults
Kia Optima 3 crdi auto
No fault breakdown available.
Kia Sportage
- Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Front Brake pad(s) wearing thin (1.1.13 (a) (ii))
- Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))
- 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))
Reliability FAQ
On MOT pass rate the Kia Optima 3 crdi auto (82%) and Kia Sportage (80%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Kia Optima 3 crdi auto report Full Kia Sportage 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.