The Audi A6 35 TDI S line (2018) is a luxury diesel sedan from the 2015-2019 generation, featuring a 1968cc inline-4 turbocharged engine producing 190 bhp and 400 Nm of torque, a 7-speed automatic transmission, and a front-wheel drivetrain. The S line trim includes sporty aesthetics, 19-inch alloy wheels, leather seats, and a premium audio system, with features like cruise control, Apple Car Play/Android Auto, and advanced safety systems.