Hi, this decklid will not fit your 2017 Sonata. However, you can find the correct deck lid for your '17 Sonata at this link (note that there are two part numbers, depending on trim level) : https://www.carid.com/2017-hyundai-sonata-oem-exterior-body-parts/hyundai-oe-trunk-lid-and-components-2674323543.html