This small car packs a lot of punch. The RS 3 Sportback is the youngest member of the dynamic RS family from Audi. The turbo-charged 2.5 liter, 5-cylinder engine has 450 newtonmeters of torque. It sprints from 0 to 100 kilometers an hour in 4.6 seconds and on average uses 9.1 liters of fuel per 100 kilometers. The 2.5 TFSI with a seven gear S tronic gearbox hugs the road thanks to quattro permanent all-wheel drive. Drive it! tests the Audi on the twists and turns of Monaco's roads.