Sorry to bring this up again and thanks for the help so far. I'm moving up from a 245/40/19 front and 275/35/19 rear. If I was to have a 255/35/R19 on the front and 295/35/R19 on the rear, would having the same tyre profile make a difference? I'm struggling to get hold of a 295/30/R19 for the rear ...

Sorry to bring this up again and thanks for the help so far. I'm moving up from a 245/40/19 front and 275/35/19 rear. If I was to have a 255/35/R19 on the front and 295/35/R19 on the rear, would having the same tyre profile make a difference? I'm struggling to get hold of a 295/30/R19 for the rear 2...

I own a V6 Supercharged and currently have on the front 245/40/R19 and 275/35/R19 on the rear. They are Pirelli's and I've read many times that the Michelin PS4S are a big improvement so I will be changing all 4 tyres. If I was to buy MPS4S 255/35/R20 for the front and 295/30/R20 for the rear, would...