Typically, the front wiper blades for a 2011 GMC Sierra are 24 inches on the driver's side and 19 inches on the passenger side. Always verify for your exact cab configuration by checking your old blades or the owner's manual.
Front wiper blade sizes
These sizes cover the majority of 2011 Sierra pickups. If your cab type differs, confirm by checking the OEM specifications or the blade length on the current wipers.
- Driver's side: 24 inches
- Passenger side: 19 inches
Note: Some Crew Cab configurations or aftermarket setups may use a 20-inch passenger blade. If yours looks different, measure the blade length or consult the vehicle’s manual or an parts lookup for your exact VIN.
Cab configurations and blade length variations
The 2011 Sierra was offered in Regular Cab, Extended Cab, and Crew Cab body styles. Front blade lengths are generally 24 inches on the driver’s side and 19 inches on the passenger side, but a small number of configurations can swap the passenger blade to 20 inches. Always verify with your specific vehicle to avoid buying an incorrect size.
Rear wiper information
The front blades are the main concern for a Sierra. Most 2011 Sierra pickups do not come with a rear window wiper. If your model does have one, refer to the owner’s manual for the correct size and replacement procedure.
Replacing or buying the right blades
Before you buy or replace, follow these steps to confirm size and ensure a proper install.
- Check the owner’s manual or the sticker on the current wiper blade for the exact length.
- In most 2011 Sierra pickups, purchase a 24-inch driver’s blade and a 19-inch passenger blade.
- If you have a Crew Cab, verify that the passenger blade isn’t 20 inches; measure if in doubt.
- When replacing, replace both front blades at the same time and choose new blades with a compatible connector type.
Concluding: Using the correct sizes and replacing in pairs helps ensure clear visibility in all weather conditions.
Summary
For a 2011 GMC Sierra, the standard front wiper setup is typically 24 inches on the driver’s side and 19 inches on the passenger side. Rear wipers are usually not present on this model. Always confirm with your owner’s manual or by measuring the current blades to ensure a perfect fit.