durability

I bought a 2013 Hyundai Genesis 5.0 R-spec in 2014, and so far it has 18,500 miles on that. How long typically the tires last on 5.0 ? When should I think of changing the tires on my car? I drive mostly in the city and once in a while intercity or highway. I dont usually do hard accelaration or...

In short.... This car is brilliant :) Those of you who've been on this forum for a while know that I've posted 10k and 20k updates, so read those if you want to hear me sing praises about the Genesis. 40k miles later, no squeaks, no rattles, and not a single issue whatsoever. 28-29mpg highway...