I love these shoes by Will's Vegan Shoes: looks 200% like leather, age well, comfy as leather too.
This model might be narrow, I got 42 although I'm 41 and they are hardly too big.

City Loafers

Also a bit heavy/clunky/uncomfortable to wear. Very high quality though.

The City Loafers are attractive shoes, and I love the non-leather ethics. However, the heel is *much* wider than the toe-box; in order for the shoes to be wearable, I needed to wear shoe inserts with the toe portion cut off. I am disappointed that the old style of the city loafers was changed - the toes were much wider in the original version, and was much more comfortable.

I’m happy with my purchase. They’re comfortable and fit well. I haven’t had them long yet but so far the quality seems good. I usually wear a 9.5 (US) but they didn’t have that so I ordered a 10. I was worried they would be too big but they fit well and don’t slip.