Not sure which 2001 GMC Sierra Hinged Tonneau Covers are right for you? We have over 1117 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Here's what some of our customers have said:
"This Tonneau Cover was installed in less than one hour. It did fit over my existing stainless bed caps. Great product." —John M from Lewiston, ID bought an Extang FullTilt Tonneau Cover for a 2001 GMC Sierra.