the tinted factory glass on the rear window and rear side windows is around 32%.Sep 14, 2016
What tint do factory cars come with?
Although the exact amount varies, most automakers apply very little tint on car windows. Generally, the factory window tint percentage ranges between 15% and 20 % on most cars. This means that the windows (usually the rare window) lets in just about the 15-20 % of visible light and deflect 85-85%.