Audi's rival to the Mercedes-Benz CLS gets a significant update, with fuel-saving technology and rear-wheel steer
The second-generation A7 will be launched with just a single engine, although others, including both four and six-cylinder petrol and diesel units, are planned to be added to the line-up as production of the four-door ramps up at Audi’s plant in Neckarsulm, Germany.