The Chevrolet Tahoe (and similar GMC Yukon) is a full-size SUV from General Motors. When the S-10 Blazer was rebadged as the Blazer for 1995, the full-size Blazer was rebadged as the Tahoe (this has occured where GMC rebadged the full-size Jimmy as the Yukon in 1992 right after its compact sibling shared the same nameplate). It is shorter than the Chevrolet Suburban on which it is based, but shares that vehicle's platform.
The Tahoe/Yukon models had either a two-door (1998 for GMCs, 1999 for Chevrolet) or a four-door option.
The GMC Yukon Denali is an alternative top trim line to the Yukon, appeared around 1997-1998 and it is marketed at the prospective high-end buyer (which was prior to and provided the basis for the Cadillac Escalade introduced in 1999.)
When GMC launched the Yukon in 1992 it what was merely a shortened Suburban, a designation GM's truck brand shared with Chevy.
In reality GMC had brought back its full-size K5 Jimmy (Chevy Blazer), a model that was a forerunner of the sport utility craze back in the '70s and ended production after much revising just a year prior in 1991.
GMC added sound deadening material to improve HVH levels as the years went on, but it never achieved the level of luxury attained when the 2,000 model year Yukon arrived.