The 1993 Mitsubishi eclipse dashboard speakers measure 3.5 inches in diameter. The front door speakers measure 5.5 inches in diameter. The rear speakers measure 7.5 inches in diameter.
cruthfield.com has all speakers stock speakers sizes for all cars -
Go to Crutchfield.com and they will have all of the sizes of your factory size speakers for your car.
the stock speakers are 4x6 inches
you can find this information from crutchfield.com. go to their web site and put in the information for your vehicle and it will tell you what size speakers are in the different locations
4X6
The front speakers are 4" and the rear speakers are 5 1/4 "
6x8
4x6
The speakers in a 1993 Honda Civic are 6 1/2 inches. These cars can fit 6x9 inch speakers with little to none modification.
The rear speakers are 6 1/2" as are the front.
The 1993 Honda accord rear speakers measure seven inches by five inches. The front speakers measure four inches by four inches.
The front speakers for this car are 6 1/2 and the rear speakers are 5 1/4 size!