6.5"
Front speakers Front Door: 6-3/4" factory speaker note Far rear speakers Rear Pillar: 4x6" factory speaker note
6.5
The speakers in a 2006 GMC Sierra 1500 crew cab are 6.5 inches. However, the speaker manufacturer will refer to this size as 6.75 or 6 3/4 inch speakers.
6.5" in all four doors
I believe that they are 5 1/4. Go to Crutchfield.com they will hook you up with all the sizes and specs.
The Sierra is a truck that is manufactured by General Motors Corporation. Currently there are three versions of the Sierra which include the regular cab, crew cab and hybrid crew cab.
crew cab door speakers are 6.5"
he is from Sierra Leone
6.5"
10000 lbs
doesn't list dash speakers. This is for standard cab, ,, but the ext. cab and crew cab all do not list dash speakers, just door speakers up front. ; In-dash stereo : 6-5/16" depth; Size code DD,E ; Non-standard dash opening (special integration package required) ; Front speakers : Front Door: 6-3/4" factory speaker note ; Rear speakers : Rear Door: 4x6" factory speaker note http://www.crutchfield.com/S-BZkmysvkiF3/app/car/mycar.aspx
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