An official reveal is not expected until late 2024 or 2025, as the current A8 will be with us for a couple of more years following a mild facelift that will be introduced in the coming months.
source: carscoops.com
2024 Audi A8 poised to be brand’s most powerful EV
New flagship German saloon gets autonomous drive, 800V charging and will be among the longest-range EVs on sale.
Source: New 2024 Audi A8 poised to be brand's most powerful EV yet | Autocar