The Ingolstadt-based automaker is slowly revealing more and more details about its upcoming new generation A8 flagship – we already knew it’s capable (regulation dependent) of Level 3 autonomous driving.

Now the automaker has revealed a few details about another piece of technology – after all, we know very well Audi is known for its technology, not breakthroughs in styling. The new generation 2018 A8 will be equipped with a high-tech coasting function that can allow the large limo to run with its engine off at speeds between 34 and 100 mph (55 and 160 kph), making it even more fuel efficient than before. The carmaker is probably going to leak even more details about the sedan ahead of its anticipated introduction next month – the coasting function is part of the new mild hybrid system using a water-cooled 48-volt alternator starter complementing the regular pinion starter. Also part of the mild hybrid setup is a lithium-ion battery pack located in the trunk that has a 10-Ah charge carrier capacity and a 48-volt system.

Audi A8 Body shop

Thanks to the highly advanced coasting function, with the foot off the accelerator pedal in the speed range the A8’s engine will stop whenever possible to save fuel and for up to 40 seconds – if the driver presses the pedal the engine will activate immediately without delay via the 48-volt belt alternator starter (BAS). Audi also fits the new A8 with a smart start/stop system active below 12.7 mph (22 kph) and packing a new function called “predictive convenient starting.” Bia the advances in powertrain management, Audi claims the A8 will save up to 0.7 liters (0.2 gallons) / 62 miles (100 km).


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