10cm - 4 inches
10cm
back speakers not sure what size
6x9 oval shaped speakers
6.5" round speakers in the front and back.
5.5" speakers front and back.
front speakers and back speakers are both 6x8 speakers
6X9
6.75
the speakers in the dash are 4x6s, the speakers in the doors are 6.75in. and the back speakers are 6x9's
The back speakers I know are a 6 x 9.
the front door and back door speakers are 6" x 8 " speakers
Usually, the back speakers are 6 x 9 . Check with Crutchfield.com to be sure.