Every Kia K4 model year side by side — owner complaints and safety recalls filed with NHTSA, crash-test ratings and EPA fuel economy. Pick a year for the full details.
| Year | Lemon Score | Owner complaints | Recalls | NHTSA stars | Best fuel economy |
|---|---|---|---|---|---|
| 2026 | 60· Some concerns* | 0 | 1 | — | 7.1 L/100 km (33 mpg) |
| 2025 | 44· Elevated lemon risk | 46 | 2 | 5 / 5 | 6.9 L/100 km (34 mpg) |
Sources: NHTSA (complaints, recalls, NCAP ratings) and U.S. EPA (fuel economy). Complaint counts aren't adjusted for how many cars were sold, and newer model years have had less time to collect complaints. * Provisional score. How the Lemon Score works.
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