According to Tiresize.com and to another website I checked the 185/70/15 (original size on 7" rim) is equivalent to 215/60/15. Both are 25.2 " in diameter. Please check body and fender clearances as the the tires may rub. On my car the 215/60 don`t rub. Previous owner had 225s which rubbed against the body when the steering wheel was fully turned.
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