My 2010 was lemoned at 23 months, with 32k miles and was pristine. Interior and exterior 'as new'.

I'm going to posit that interior wear is a function of care.

Also, will people stop referring to "RFT" as if it is a single tire????? Michelin Latitude RFTs are far superior to all other RFTs, and with 18-19" rims I read few complaints