The Hummer first appeared in 1992.  It was the civilian version of the military Humvee, which was introduced in 1985.  In 1998 AM General sold 3 types:- H1 based on the Humvee and the H2 & H3 that were smaller.  Production ended in 2010 although a new GMC Hummer EV may appear in 2021.

1979 Humvee Prototype (US Army). Model by Wemi Models
1991 Hummer (US Army)
1991 Hummer (US Army)
2003 Hummer H2. Model by Cararama
2003 Hummer H2. Model by Fleer Collectibles
2004 Hummer H2 Stretched Limousine. Model by NEO
2005 Hummer H2 SUT. Model by Cararama
2006 Hummer H3. Model by Spark
2008 Hummer Hx concept. Model by Burago