The new Audi S8 combines progressive luxury with dynamic athleticism while honing its reputation as the benchmark for Vorsprung durch Technik with innovative suspension systems. Its 4.0 TFSI engine - a biturbo eight-cylinder unit - produces 420 kW (571 hp) and an opulent 800 Nm (590 lb-ft) of torque. It is combined with MHEV technology for the perfect symbiosis of efficiency and comfort with exhilarating performance. The predictive active suspension, dynamic-all-wheel steering and quattro drive with standard sport differential provide for outstanding vehicle dynamics straight from the factory. The new Audi S8 uses specific design elements to express the sporty elegance of the sophisticated luxury sedan with pinpoint precision.
Impressive performance: the engine
As a V8 engine with mild hybrid technology, the high-performance powerplant in the Audi S8 offers not only maximum smoothness, but with an output of 420 kW (571 hp), 800 Nm (590.0 lb-ft) of torque and two turbochargers also the certainty that ample power is available for any situation. Top speed is electronically limited to 250 km/h (155.3 mph). Iron-lined cylinder barrels in the aluminum crankcase reduce friction for exceptionally smooth running. Automatically actuated flaps in the exhaust system underscore the impressive sound.
Sports car-level emotion and performance are paired with comfort and efficiency. The mild hybrid system (MHEV) works continuously to reduce fuel consumption. Its 48-volt belt alternator starter and the additional lithium-ion battery enable coasting with the engine switched off, fast restart and an extended start-stop range. Fuel savings of up to 0.8 liters per 100 kilometers are possible in everyday driving. The cylinder on demand system, which deactivates individual cylinders in low-load operating situations, provides for additional efficiency. The vehicle's sound system features active noise cancellation to eliminate intrusive cabin noise for the ultimate in comfort.
