2019 Audi A8 - The first version to arrive in Canada will be the A8 55 TFSI which is powered a turbocharged, 3.0-litre V6 developing 340 horsepower and 368 pound-feet of torque. Coming later will be the A8 60 TFSI powered by a twin-turbo, 4.0-litre V8 good for 460 horsepower and 486 pound-feet of torque.