Acura unveiled the 2019 RDX Prototype at the 2018 Detroit Auto Show, previewing the third-generation RDX with a bold diamond pentagon grille, sculpted bodywork, and a new 2.0L turbocharged four-cylinder paired with Super Handling All-Wheel Drive. The prototype signaled a sharper, more driver-focused direction for Acura's best-selling SUV. Read about the 2019 Acura RDX Prototype