I had used tires on front of blazer that was humming pretty bad so i went and had two new tires put on it but it still hums why
Jack the front of the vehicle up tillThe wheels come off the ground And with both handsPush on bottom and top of tireIf it moves - you need wheel bearings
it might be something else on the car. maybe call a local repair place and ask them what that is
needs some type of oil or an allignment.
Sounds like wheel bearings