A 2018 GMC Acadia will need to use a 24 inch driver's side blade and a 22 inch passenger's side blade. There is not a back blade on the car, so You do not need to worry about that. To get new blades will cost You about 20 to 30 dollars, on average, and they come with two blades.If You need to replace the blades then You will need to squeeze the nub of plastic on the bottom of the blade and then You can pull it off. To put a new one on You will need to do the same thing in reverse. Once You have the new ones one make sure You run them for a min, as You want to make sure they don't scrape.
Geo
October 10, 2022
24 driver/22 pass front and yes there is a rear wiper which is an 11"
Vern
November 28, 2023
The rear blade is 10 not 11 inches. I had to bring it back to auto zone because they gave me the wrong one.
Armida W
July 16, 2020
A 2018 gmc acadia will need to use a 24 inch driver's side blade and a 22 inch passenger's side blade.
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