The Audi Q8 SUV S line 55 TFSI quattro 340 PS tiptronic is a luxury SUV with a 3.0-liter V6 engine, producing 340 PS and 500 Nm of torque. It accelerates from 0 to 62 mph in 5.6 seconds and has a top speed of 155 mph. The Q8 features Audi's quattro all-wheel drive system and an 8-speed Tiptronic automatic transmission.