Chevrolet’s midsize Trailblazer sport utility vehicle (SUV) debuted early in 2002 as a five-passenger vehicle. It was soon joined by an extended-length Trailblazer EXT with a seven-passenger capacity. Since 2005, a revised V-8 has operated with Displacement on Demand technology, which promises up to 5 percent greater fuel economy. Under certain light-load driving conditions, the number of active engine cylinders decreases from eight to four. Both models offer an optional 5.3-liter V-8, an upgrade from the standard 4.2-liter inline-six-cylinder engine. General Motors’ Stabili-Trak electronic stability system is standard on 2006 models. LT editions get a revised exterior appearance. The standard six-cylinder [...]
