NO.
GM will keep Buick, Chevy, and Cadillac as their main three brands.
They sold Saturn already to Roger Penske, which was a former race car driver for the 1969 Chevy Camaro over 40 years ago, and now owns a race team.
They are trying to sell Hummer to a Chinese Industrial manufacturing company, but that company is trying to get approval from the Chinese government to officailly buy the Hummer brand.
Saab is being sold to Koenigsegg, a Swedish Supercar maker.
Opel, GM's largest European brand, is now owned by Magna, a Canadian Company. But GM still owns 35% of the company.
GM still has Holden and Vauxhall overseas.
GM plans to eventually discontinue GMC, since they are the same as Chevy SUV and Pick Up's. And they already discontinued Pontiac. They plan to close all dealerships and finish selling all Pontiac's by next year.