Downsizing -- making an engine that maintains power with less cubic capacity -- is an important theme in carmaking. But sceptics fear there's no substitute for engine displacement. Audi wants to convince them with a 1-liter, 3-cylinder engine in a premium compact car, the A3.
More from this edition of Drive It!: http://www.dw.com/en/drive-it-the-motor-magazine-2016-06-14/e-19287208-9798
