* Buick: A long-standing American brand known for its comfortable sedans and SUVs.
* Cadillac: GM's luxury brand, offering premium vehicles.
* Chevrolet: GM's largest and most diverse brand, spanning a wide range of vehicles from affordable cars to performance vehicles and trucks.
* GMC: Focuses on trucks, SUVs, and vans, often with more rugged and off-road capabilities than Chevrolet's offerings.
While GM *used to* own other brands (like Saturn, Pontiac, Oldsmobile, Hummer), these are no longer active. The list above represents GM's current portfolio of brands.