3 1/2 in the dash front doors are 6 3/4 and rear dash six by nine ovals
front dash tweeters- 3.25" door speakers- 6.5" rear deck speakers- 6x9"
The front speakers, in your 2008 Dodge avenger, will measure four inches by six inches. The back speakers will measure six inches by eight inches.
6.5 for the front
The 2014 Dodge Avenger has a 2.4 L base engine size.
The 2011 Dodge Avenger has a 2.4 L base engine size.
The 2010 Dodge Avenger has a 2.4 L base engine size.
The 2008 Dodge Avenger has a 2.4 L base engine size.
The 2012 Dodge Avenger has a 2.4 L base engine size.
The 2013 Dodge Avenger has a 2.4 L base engine size.
The 2009 Dodge Avenger has a 2.4 L base engine size.
The 2014 Dodge Avenger has an inline 4 engine.
The 2011 Dodge Avenger has an inline 4 engine.