go to this website and outfit your car. they will tell you the speaker size.
http://www.crutchfield.com/app/car/mycar.aspx?
Front 5.25" @ 1.75" * Rear 5.25" @ Over 8"
what size speaker fits Mazda 626 1996 model front door
This site is the answer. You can get speaker size for any vehicule. http://www.crutchfield.com/S-qqpsEUoQelB/app/car/mycar.aspx#a299550
2001 Mazda Protege ES uses tire size 195/55 R15
12.5mm
A spark plug for a 2003 Mazda Protege has a 14 mm thread size, and a 19 mm reach. The gap is 1.1 mm.
stock speaker size for the mazda b3000 04 is 6x8
The speaker size for a 1992 Mazda 323 would be 6-1/2.
P185/65r14
14.5 gal
195/50/r16
fronts are 32mm