Front speakers are 4.5", rear package tray speakers measure 7" (good luck finding direct replacements)
they are 6x9 speakers
2010 Toyota corrolla door speaker sizes
5.25 inch
6.5 or 6.75 will work, 6x9 wont unless you modify the back with cutting and customizing the grills. 6.75 are a perfect fit
12X1.50
6.5"
13.2 gallons
Front Speaker Size- 4"x6" and Rear Speaker Size- 6"x9"
4 inch is what I have have found so far searching the net.
4x6" in the dash and 6.5" in the doors
6x8" Front and Back
For the front two speakers, you'll need 4". The back two are 5 1/4".