I have all-season tyres but the ride quality is poor, is something wrong?

My Volvo XC60 SE 2017 model is equipped with Pirelli Scorpion Verde tyres. These give a very hard ride but are cross-climate. This model doesn't have two suspension settings that I think some models had....

What cold weather tyres do you recommend for driving in Europe?

I need to take my Jag XF AWD once each year to Luxembourg during October. Do I need cold climate tyres and if so which do you recommend? Priorities are comfort and legal.

Can I fit smaller wheels to my Volvo XC40 to improve the ride comfort?

Can I change my wheels to 18-inch from 19-inch on my Volvo XC40 T5? I have had two different opinions from Volvo dealers. I find the ride hard on 19-inch Continentals.

What are the implications if I change the aspect ratio of my tyres?

The standard tyres on a VW UP GTI are 195/40 R17’s. The choice of tyre options in this size is limited and the tyres themselves do not help the ride. What are the options and implications of moving to...