The Tesla Supercharger network is officially open to GM EVs, but they will all require a NACS adapter. Luckily, GM is already offering an official one for sale.
GM's EVs, which include the bestselling Chevrolet Bolt as well as more recent Ultium-based EVs from Chevy, Cadillac, and GMC, will require an adapter to connect the Tesla J3400 (originally NACS) plug ...
While GM will begin fitting its EVs with a Tesla charging port next year, owners of existing vehicles can now purchase an adapter for access to Tesla's Superchargers.