What does ext stand for on Chevy Trailblazer?
The "EXT" on the Chevrolet Trailblazer stands for "Extended." It refers to the extended-length version of the Trailblazer SUV. The Trailblazer EXT was introduced in 2002 as a larger, more luxurious variant of the regular Trailblazer. It offered additional cargo space, a third row of seating, and upgraded features compared to the standard model. The Trailblazer EXT was produced until 2009.