2014 Volkswagen XL1

Sleek rear view features a continuous LED light bar across the width, aerodynamic body contours, rear engine vents, and covered aerodynamic wheels for enhanced efficiency and futuristic styling.

Rear aerodynamic design with continuous light bar and covered wheels.Vauxford, CC BY-SA 4.0 <https://creativecommons.org/licenses/by-sa/4.0>, via Wikimedia Commons