the speakers in the dash are 4x6s, the speakers in the doors are 6.75in. and the back speakers are 6x9's
i just recently put new door speakers in a 2000 Chevy blazer. They are 6 and 1/2 in all four doors.
6x9
6.5in
6.5S 6.5S
18gallon
Mine is 19 gallons Chevy Blazer SS 4.3 yourgastankguide.com
4x6 in the dash and 6x9 in the rear
4x 6
look on the driver side door the tire size should be 235x75x15 or 235x70x15 CAN A 31X10.5 r 15 FIT ON A 2000 bLAZER ?
35mm
There are 2, 4" x 10" speakers in the celing tward the rear of the full size blazer (next to the hatch glass).
5 1/4" I have the same year blazer and i just replaced all my speakers. At least it's 5 1/4" for the door speakers and i can't tell but there's places in the dash board for 4x6" speakers.