2021 Kia K5 aces crash tests, earns Top Safety Pick+

The 2021 Kia K5 mid-size sedan earned top crash-test ratings from both the NHTSA and the IIHS, and the insurance-industry funded IIHS gave it highest honors with a Top Safety Pick+ award. The redesigned sedan formerly known as the Optima earned five stars in the NHTSA's test cycle despite a four-star front passenger crash rating. That test...