This TrailBlazer at Car World has a set of brand new tires on it.Chevrolet TrailBlazer is smooth and powerful, with a stunning straight-six engine, a stiff chassis, a sophisticated suspension, powerful brakes and impressive details.It's capable of off-road travel, but feels stable and comfortable on the highway. For 2003, the TrailBlazer adds an extended-wheelbase model with seating for seven.All EXT models come standard with a four-speed automatic transmission.