6.5
6x8 ALL DOORS
from80's to 98 its a 6x8 in front and back
5.25" in the doors.
16.5cm in the front doors
5x7 6x8
The speakers in the doors of a 1991 Ford Ranger are 6-inch speakers.
The 2010 Frontier have 3.5 tweeters (Front dash) 6/9 front doors and 6.5 in rear door.
6x9 in the front doors, 6 3/4 in the rear doors. Dash speakers are some weird size.
6 X 8
Both the front door speakers and the speakers in the rear are standard Ford 6"x8".
The door speakers are 6.5" and the dash speaker size is 4."