According to 2 online sources,both front and rear speakers are 6 x 8
See "Related Questions" below for more
The 2004 Ford Taurus has a V6 engine.
The 2004 Ford Taurus has a 3.0 L base engine size.
Your 2004 Ford Taurus came OE with P215/60R16 COO of TireTyre.com
I believe that the back speakers are 6x9, but the fronts are 6x8.
In a 2005 Taurus/Sable, all 4 speakers are 6x8's. not 6x9's or 6.5's
6x8 door speakers
6x8 front 6x8 rear
The speakers in the front door of a 96 Ford Taurus are 6 inches x 8 inches. The speakers in the rear deck aer also 6 inches x 8 inches.
I found this site while looking for speakers for my '94 Taurus. Put in your make, model, and year; it will give you a wide selection of speakers and what size you need.See "Related Links" below
6x8. Check out crutchfield.com, they have the answer to what will fit where in your car.
6 1/2
The front speakers in a 1997 Ford Taurus measure 6 inches by 8 inches and are located in the front doors. The rear speakers are located in the rear doors and measure 6 inches by 8 inches.