A fourth generation of León was presented on 28 January 2020. The León is also produced under SEAT's sister brand, Cupra. It shares the MQB platform with the Volkswagen Golf Mk8, Skoda Octavia Mk4 and Audi A3 Mk4.

A facelift for the Cupra Leon that adopts the new Tavascan design language was released in 2024.