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 ...

Both are equipped with a 48-volt mild hybrid system, which Audi says can produce 32 additional hp when launching or overtaking. The system can also recover up to 25 kW of energy while decelerating.