How much for a tune, up airfilter change? On a 2014 Qx60 infinity. Thank you 😊

Hello! Best for you to reach out to some repair shops near you. You can perform a search of applicable shops in your area by checking out this link and entering your information: www.repairpal.com/repair-shops Those folks can give you real world quotes. Building a relationship with a trusted shop near you is the best way to ensure you have a "go to" for your maintenance and repair needs.