Originally slated to be replaced by a body-on-frame SUV (codenamed GMT361), the GMT360 chassis was discontinued after 2009 model year and replaced by two unibody-chassis vehicle platforms.
The GMT360 chassis was initially scheduled to be succeeded by a body-on-frame SUV (GMT361 codename), but it was ultimately dropped after the 2009 model year, paving the way for two new unibody-chassis vehicle platforms.