AVOIR rates the 1998 Infiniti QX4's reliability 82/100 — excellent — from NHTSA recall counts, complaint density, and multi-year defect trends. Its overall AVOIR ownership score is 67/100 (Average).
AVOIR scores the 1998 Infiniti QX4's longevity 78/100 (good), estimated from high-mileage survival data and resale-panel evidence of how far these vehicles actually run.
AVOIR scores the 1998 Infiniti QX4 on maintenance 69/100 and depreciation 52/100 — higher is better (lower real cost) — plus fuel, insurance and resale in the full breakdown above.
AVOIR scores every vehicle across 7 ownership factors using EPA fuel-economy data, NHTSA safety & complaints, IIHS ratings, and a proprietary used-market resale panel.