Trailblazer is a 4-door mid-size SUV that was produced from 2002 to 2008 and since 2012. In the past Trailblazer was produced as a trim level for Blazer car but since 2002 it was released as separate model. First generation was manufactured from 2002 to 2009 with engines of 4.2 – 6.0 L.  EXT version that had 3-rows and 7 passenger seats was manufactured until 2006 and SS (Super Sport) version was released in 2006. Second generation was released in 2012.