General Motors GMT360 platform sport utilities, the Chevrolet TrailBlazer, GMC Envoy, and Oldsmobile Bravada, were designed to have distinct personalities.  But GM’s new all-alloy Vortec 4200 inline six truck engine would be the same, whether you order the Chevy, the GMC, or the Olds. That’s a good thing. “Quite” and “smooth” don’t begin to describe … Continue reading 2002 General Motors GMT360 SUV Preview