What's the most basic differences between an LS, LT, and XLT Chevrolet Trailblazer?

[SueBear]

I know the SS is sportier, and the XLT has a 3rd seat, but the rest confuse me...............

[justme]

check this out:
http://www.chevrolet.com/trailblazer/features/

you can find all the differences between all trims of the SUV.