The 2009 Chevrolet TrailBlazer is a 4-door, 5-seat Sport Utility, available in 8 trims, ranging from the 1LT 4x2 to the AWD. Upon introduction, the $29,155 1LT 4x2 is equipped with a standard 4.2L, 6-cylinder, engine that achieves 14-mpg in the city and 20-mpg on the highway. an Automatic transmission is standard. The $39,330 AWD is equipped with a standard 6.0L, 8-cylinder, engine that achieves 12-mpg in the city and 16-mpg on the highway. an Automatic transmission is standard.