Never mix tires.....brands or models.
Check tire pressures.
Check wheel bolt torques (96 ft.lbs.).
Are they directional, on the right side?
It is most likely the mold release that has not scrubbed off yet. Takes about 200-400 miles.
How old are the fronts? Check the DOT code date. If more than 5 years old, replace ASAP.
A new all season tire is going to have a bit more "flex" in the tread blocks. This will feel "sloppy".
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