They are the 5x7 class if you aren't talking about a sub. You can go to crutchfields.com and use their application finder to see what fits your vehicle.
All 4 doors speakers on the Ford Expedition are 6x8.
rear subwoofer in back dash of 2004 cadillac deville is 10"
The speaker size for a 2004 Chevy Trailblazer is 6 1/2 inches. This includes the front, door, and rear speakers.
6x8
Front 6X8 Rear 6.5
The 2004 Ford Expedition has a V8 engine.
The 2004 Ford Expedition has a 4.6 L base engine size.
5x7
Size for a rear speaker in a 95 Nissan maxima
6 1/2 " on both door and rear deck. you Can look up any car speaker size at CrutchField.com
Door Speaker are 6x8
Yes, it is the 6x8.