Hummer (stylized as HUMMER) is a brand of trucks and SUVs that was first marketed in 1992 when AM General began selling a civilian version of the M998 Humvee.
[1] Although discontinued in 2010, Hummer returned as a sub-brand of GMC in 2021. 
In 1998, General Motors (GM) purchased the brand name from AM General and marketed three vehicles: the original Hummer H1, based on the military Humvee, as well as the new H2 and H3 models that were based on smaller, civilian-market GM platforms. By 2008, Hummer's viability in the economic downturn was questioned. Rather than being transferred to the Motors Liquidation Company as part of the GM bankruptcy in 2009, the brand was retained by GM, in order to investigate its sale. 
No final deal was made,[2] and in 2010, Hummer dealerships began shutting down.[
3] Ten years later in 2020, the nameplate returned, not as a separate brand but instead as two models, an electric pickup truck and SUV, to be sold under the GMC brand as the "GMC Hummer EV". The pre-production versions of the EV began November 2021 after a $2.2 billion investment to build a variety of all-electric vehicles in GM's Detroit-Hamtramck assembly plant

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