A vertical rectangular grille marks a new design language for Audi, and a hardtop roof folds back into a targa-like open cabin. The Audi Concept C roadster seen in these photos will look very similar ...

It's small, it's fierce, it looks back at the grand prix racing cars of the late '30s and at the more recent—and much missed Audi TT, but it's not a retro design. It's electric and modern, showcasing ...

From super lightweight designs to futuristic tech, discover the game-changing ideas that were ahead of their time.