What size speakers for front and rear 1997 Saturn coupe?

For a 1997 Saturn Coupe, the recommended speaker sizes are 6.5 inches for the front doors and 6.5 inches for the rear speakers. You can also consider 4-inch speakers for the rear if you prefer a more compact option. When upgrading, ensure that the new speakers fit the factory locations without modifications. Always check for depth clearance as well to ensure a proper fit.