Detailed Information on Your Particular Side-Wiper Size. The 2011 Chevrolet Colorado Windshield Wiper Blade Size is 22 in / 550 mm Driver Side, 19 in / 480 mm Passenger Side. It is also important that you know that the length of the wiper blade will depend on whether you have a standard or an extended-size windshield. The answer to that question largely depends on the size of your windshield. This will help you find the correct size for your 2011 Chevrolet Colorado windshield wipers.Ī lot of people are asking themselves what size they should get for their 2011 Chevrolet Colorado windshield wipers. When you are looking for windshield wipers, it is important to know what size your windshield is.