Not sure which 2009 GMC Sierra Tonneau Covers are right for you? We have over 11987 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:
"I just got my tonneau within the past couple weeks, so it is hard to rate quality. But the tonneau does appear to be of good quality. The fit was perfect, and through some heavy rains of late little to no water has gotten into the bed. The installation was a breeze, took maybe 5 minutes tops. I'd definitely recommend this cover at this point to those lke me who aren't looking for a hard cover." —Owen S from Hammond, LA bought an Extang Trifecta Folding Tonneau Cover for a 2009 GMC Sierra.
"Excellent" —Earl S from Hopkins, SC bought an UnderCover Tonneau Cover for a 2009 GMC Sierra.
"Great product and concept, exactly what I was looking for. I just wish I had (known about) watched the video of the installation prior to installing, would have been much easier." —Lourn L from Henderson, NV bought a BAK RollBak Tonneau Cover G2 for a 2009 GMC Sierra.
"Tonneau cover looks great, the cover does flap / move a little going down the road at highway speeds." —Mark W from Nineveh, NY bought an Extang TuffTonno Peel & Seal Roll Up Tonneau Cover for a 2009 GMC Sierra.
"I bought a Trifecta for my 2009 Gmc Sierra and it was my first tonneau purchase as I have always went with a cap before,and I am very happy I did. Fit and function are as described in the add and installation is idiot proof. It is very well made and it comes with a very good manufacturer warranty. Due to its folding design,the edges of the tarp portion don't lay as flat as the rest of it, but its barely noticeable. I rate this item as overall excellent and would buy another in a heartbeat. Dave, Milwaukee Wi." —David S from Milwaukee, WI bought an Extang Trifecta Folding Tonneau Cover for a 2009 GMC Sierra.
"I put my new Lund cover on and drove the next day to Memphis (400 miles). The cover was a snap to install and fit like a glove. I must say that it flapped in the breeze a little more than I thought it would, but it is a tarp afterall. Overall, it fits great. looks great, and there was not a drop of water in the bed after some pretty heavy rain. I would highly recommend this product and would easily buy another sometime in the future." —Kerry D from Forsyth, IL bought a Lund Genesis Tri-Fold Tonneau Cover for a 2009 GMC Sierra.
"Simple to install / Looks Great." —Thomas J from Downingtown, PA bought a Lund Genesis Tri-Fold Tonneau Cover for a 2009 GMC Sierra.
"The Extang Tuff Tonneau is an excellent product. The two issues I had with this product was the side rails near the tailgate and the rail near the back window. Had to use extra foam to make the side rails fit towards the tailgate but there is still a small gap under the rail near the back windows. Still an excellant product though and I would recommend it to anyone." —Ralph B from Edinboro, PA bought an Extang TuffTonno Peel & Seal Roll Up Tonneau Cover for a 2009 GMC Sierra.
"on my 2009 GMC Sierra, it is very easy to install. Only had for a couple weeks now and it did rain some but water did not get into the front or sides at all. Probably about a tablespoon of water on each rear corner, which I haven't yet added any of the foam installation they included. Compared to others I've looked at, this one seemed a good buy." —Russell C from Parker, CO bought a TonnoPro TonnoFold Tri-Fold Tonneau Cover for a 2009 GMC Sierra, Short bed (approx. 5 1/2 ft.), without Cargo Management System.
"Cover looks nice and seems to hold up well in rain and wind (up to 35 mph so far)while going down the road. Had some difficulty with the adjustments when installing on our 8' box but once we figured out the issue, we were able to get the cover on with few additional problems. Will need to see how it holds up in 20-30 degree below-zero temperatures and snow (may remove it for the winter if it looks like there may be a problem). Overall satisfied with the purchase" —Thomas B from Sidney, MT bought a TruXedo TruXport Roll-Up Tonneau Cover for a 2009 GMC Sierra.
"Installation was easy - took me about 45 minutes. Looks great & simple to open up and close. I did notice the truck cab was quiter in side and on a windy day the truck didn't move around as much - a much smoother ride. Great product!thanks." —David C from Surprise, AZ bought a BAK BAKFlip G2 Tonneau Cover for a 2009 GMC Sierra.