Unless one engages in some form of objective testing, involving wet and dry slalom, braking, and circuit laps, all judgements about tyres are subjective. Some tyres also seem to suit drive configurations (FWD, AWD, RWD) better than others.
The only opinion I can offer regarding Michelin PS2 vs PS3 is that the latter give better steering feel and better wet road confidence than the PS2. But this is on my wife's Golf GTD, which actually felt best on the OEM Bridgestones. Those, however, were noisy and gave quite a harsh ride.
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BMW F22 M240i; F48 X1 25i, BMW F20 M135i
Peugeot T9 308 GTi 270
Renaultsport Megane 3 Trophy-R, Renault Clio Sport 182.
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