2018 AUDI A8L 55 TFSI QUARTTRO 112000 KM GCC SPECS ALL WHEEL DRIVE The Audi 55 TFSI Quattro refers to a specific engine and drivetrain combination found in various Audi models like the A6, A8, Q7, and Q8. The "55 TFSI" denotes a 3.0-liter turbocharged engine producing 340 horsepower, while "Quattro" indicates the all-wheel drive system