Regular oil changes are essential to keeping your 2025 INFINITI QX80 performing at its best. Whether you're a seasoned DIYer or tackling this for the first time, changing your oil at home is easier than you think—with the right tools and know-how. In this guide, we’ll walk you through a QX80 DIY oil change, from draining the old oil to topping off with the recommended oil for the INFINITI QX80.