Audi introduces its 2.0-liter TFSI inline-four, bucking the downsizing trend in favor of a 'rightsized' engine to debut in the next-generation A4. Downsizing engines is a trend sweeping the industry.

The cars built off of Audi's "B8" platform, including the A4 sedan, A5 coupe and their derivatives, have much to recommend them. Light weight is not among those characteristics.