Must watch !!! 2019 AUDI A8 Price & Spec — At launch, the A8 will be available with one engine, a single-turbo 3.0-liter V-6 good for 340 horsepower and 369 lb-ft of torque. Shortly thereafter, by the end of 2018, a twin-turbo 4.0-liter V-8 with 460 horses will follow. Both powerplants get limited hybrid assistance, thanks to the use of an alternator that doubles as a starter (BAS, for belt-alternator-starter, in Audi lingo), an arrangement that powers a 48-volt electrical system. The alternator/starter is good for 16 horsepower during energy recuperation and 9 horsepower when assisting the gasoline engine. Its purpose, according to Alexander Kruse, the Audi engineer responsible for the development of the BAS system, is to assist the gas engines in achieving their most efficient operating rpm sooner, thus improving fuel economy. The BAS will add torque to the powertrain mix, but its contributions are at the low end—nowhere near the peak output of the engines.
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$83,475
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