I looked at putting Michelins on my stock HP wheels (19x10.5”, 19x11”) and if I remember correctly, those tires were way outside the fenders. Check carefully.
Another consideration. You didn’t mention which tire brand you are switching to. Makes a difference. Example: Michelin Pilot Sports have a straighter side wall than the Pirelli Trofeo’s, resulting in more tread width with a “smaller” Michelin tire. If you’re not careful, you may end up with a...
Just installed Ferrada CM2 wheels - 20x10” +28mm front, 20x11” +50 mm rear with Michelin Pilot Sport All Season 4 285/35ZR20 front & 305/35ZR20 rear. Nice fit. No rubs. Very nice ride quality. Haven’t checked speedometer yet. I expect some difference since rear tires are 1.9” taller. Had...