Will 15 X 10 wheels fit the rear?

AdamR said
They will either be 5X4" or 5X4.5" 4.5" be large bolt patern. If those are stock Rallyes on it and not aftermarket ones youve got LBP. The small bolt patern is hard to find rims for.

It looks more like 4.5 on the tape measure. Here is the Rallye.