The five-passenger Chevy TrailBlazer, capability and power to get it all done. TrailBlazer features a responsive Vortec 4200 six-cylinder engine that has unsurpassed standard horsepower in its class, a five-link rear suspension that helps provide a smooth ride, and an Autotrac system on 4x4 models. On LT models, you can opt for an Integrated Navigation Radio. And all TrailBlazer models can be equipped with available features like OnStar and XM Satellite Radio.