If you stay with a 15" wheel these will work pretty well.205/50-15 Speedometer will read 61 at a true 60 mph
175/60-15 Speedometer will read 61.6 at a true 60 mph
205 60 15
Are 235/85r/16 compatible with 1996 Chevy tahoe
205/75/15
175/80R13
235 65 R 16 are compatible as long as both tires on the axle are identical
225/75-16 or 255/65-16
215/75-16 is about your only choice.
195/60-13 175/75-13
Ford Mustang/Forth generation/1994-2004
275/65-16 or 235/75-16 Either of these sizes is an excellent substitute.
whatv other tire is compatible with 225 65r 16
I do not know what you mean by discontinued P235/70-15. Almost every tire manufacture makes all season radial tire in this size. You have multiple choices.