CarComplaints.com Notes: 2020 is the last year for the Optima badge in North America, as its been rebranded to the K5 to match the international naming scheme.
3 — Rating applies to both the 2015-19 models of the Hyundai Sonata (tested) and the structurally similar 2016-20 models of the Kia Optima.
Ratings only apply to the model and body or seat type tested. The date of manufacture and optional safety equipment can affect results. For full details see www.iihs.org.