GM becomes the third automaker with access, but with almost a dozen different cars under three brands, this almost triples the number of non-Tesla car models that will use the Superchargers

GM's NACS adapter is compatible with all of its EVs, which now gain access to nearly 18,000 Tesla Superchargers. The adapter costs $225 and can be purchased through the mobile app for each respective GM brand.

GM EVs get access to Tesla's Superchargers, but not without an adapter. Learn about the costs, terms, and how this impacts GM drivers' charging options.

General Motors Co.'s electric vehicle customers are getting access Tesla Inc. Superchargers starting this month, following an agreement struck last year between Chief Executive Officers Mary Barra and Elon Musk.