Resale value, 18s or 19s?

[Beknown]

My Cayman came with 19 inch wheels which I think look far better than 18s, however the ride can be a bit hit and miss so I bought some 18s.

I was going to sell the 19s (with N rated PS2s) separately but now I'm thinking the car will sell easier/for more with the vanity wheels?

For what its worth my car came with them just by chance, I wasn't specifically interested in the 19s as I had read the ride was harsh but not everyone will research this.