A used Nissan Armada can be from any model year and in any condition. While we hand-pick our used Armada inventory with high standards, a CPO Nissan Armada can only be within six model years of new and must have under 80,000 miles. It must then undergo a manufacturer-guided 167-point inspection.A used Armada SUV’s warranty varies and is provided by the dealer. A CPO Nissan Armada SUV’s warranty is a factory-backed seven-year/100,000-mile limited warranty1 that includes 24/7 roadside assistance coverage and a one-year prepaid maintenance plan.2