Rigged with a 4 liter motor, this specific version develops 450 hp and 550 Nm of torque. Donning a price of KWD 24,000 the 4.0 TFSI quattro (450 HP) is a distinguishable version in the S6 model line-up and one that takes on the familiar . Serving seating for 5 and 530 liters of storage space to follow, the 4.0 TFSI quattro (450 HP) is a 4 door sedan that weighs 1,970 kg and is able of hitting a top speed of 250 km/h. A few important features that separate this variant from others are acoustic front windshield, adaptive headlights, auto headlamps, automatic headlight range control, daytime running lights - led, door mirrors with side turn signal, dual exhaust tip, electric door mirrors, headlight washers, led headlights, led taillights, lock and unlock sensing auto electric folding mirror, power tailgate, power windows - front and rear, rear spoiler, rear window defogger, sensor - light, sports exhaust system, wheel size 19", and wheels - alloy.