Please try a little harder on the spelling. You ask tons of questions here, and from your past questions, I KNOW you can do better. :-)
As for the difference: Chevy and Cadillac are both made by GM. Different product lines with different features. Check out the individual ones on the Helen of Troy and HotTools sales pages (linked above) then you can compare features between two specific models. [ DangerNerd's advice column | Ask DangerNerd A Question ]
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