Winter tyres for XC60: 18 inches or 17 inches ?

Sometime it may be winter, then I need winter tyres for my XC60. I have to buy new tyres and rims. To choose from the Volvo dealer, Pirelli ́s are available in the format 235/65 R17 on rim 7.5 x 17 and 235/60 R18 on rim 7.5 x 18. The rims are each original Volvo rims (Segin / Leda). The price difference between the two alternatives is “only € 200. My current summer shoes are 265/60 on the 18th Leda rims with the standard chassis (nix touring etc.). I feel that this is relatively hard, but I am also spoiled by another Swedish quality product. Since the two winter alternatives do not differ in the tyre width, it doesn ́t really matter what I would take. Even the tyre prices for a future repurchase are not so far apart. For optical reasons, I tend to tend to the 18-inch variant. Are the 17-wheels much more comfortable compared to the 18-wheels or do not notice anything about it? Or do you think there are 17 reasons for another?