Audio/Video/Security
J2 Sedan:
Front: 5-1/2"
Rear: 6x9
J2 Wagon:
Front: 5-1/2"
Rear: 6-3/4"
XD/XD2 Sedan:
Front: 6-3/4"
Rear: 6x9
XD/XD2 Hatch:
Front: 6-3/4"
Rear: 6-3/4"
HD:
Front: 6-1/2"
Rear: 6-1/2"
Extra info:
Web searches may tell you the front doors mounting depth for XD/XD2 is 2.5,
but with the window...