The 48-volt system consists of a 1.7-kWh lithium ... and buyers can also add a Quattro Sport rear differential to make the wagon more agile. Audi says the steering is more direct than before ...
Audi's lineup has been reshuffled and renamed ... the new A5 features a 268-hp turbocharged 2.0-liter four-cylinder that's assisted by a 48-volt hybrid system. Meanwhile, the S5 is motivated ...