17. Audi Sport Quattro
The definition of a boxy sports car is the Audi Quattro. The Quattro Sport was born on rally tracks and they sold it as a road going model to homologate it for racing. The Quattro Sport featured 2.1-liter straight five-cylinder engine with a turbocharger and 306 HP in street trim.
It came with a short wheelbase, light body panels and short ratio gearbox. Also, it delivered 306 horses ready to jump in any moment. In fact, the road going Quattro Sport was capable of achieving 0 to 60 mph in just 4.8 seconds.