the bolt pattern is the important thing. check if the Enkei's have the same bolt pattern as your old rims. if so go for it. It may throw the speedo off a little bit but what the hey.
I want to put my boyfriend's old Enkei Evo 8 stock rims onto my ford focus. They are 17" x 8", while my current tires, I believe, are 15" x 6". Let me know if you think it's possible or not. Thanks.