The 2018 Audi A7 Sportback was revealed with a single engine option at its unveiling - a 3.0-litre V6 turbo petrol unit which bears the 55 TFSI badge under Audi's new naming scheme. br br The engine produces 335bhp and 500Nm of torque and is mated to a 7-speed double-clutch automatic gearbox which sends power to all four wheels through the Quattro all-wheel-drive system. br br The Audi A7 55 TFSI sprints from 0-100kph in 5.3 seconds and has a top speed of 250kph. The new A7 will primarily be offered as a rear-wheel-drive car with the Quattro all-wheel-drive available as an option. br br Other new tech additions include rear-wheel steering and the electronic chassis control system.