Kia K5 2025 Review. Either way, the k5 could use more of one. For this 2025 k5 review, kia provided a test vehicle with ex trim and optional cargo and.

The k5 was formerly the optima until kia swapped names. For 2025, the k5 gets a refresh that updates the look, both inside and out, and replaces the base engine for a bit more power.