AVOIR rates the 2021 Ford F-350 Super Duty's reliability 97/100 (excellent) from NHTSA recall counts, complaint density, and multi-year defect trends. Its overall AVOIR ownership score is 74/100 (Good).
AVOIR scores the 2021 Ford F-350 Super Duty's longevity 81/100 (excellent), estimated from high-mileage survival data and resale-panel evidence of how far these vehicles actually run.
AVOIR scores the 2021 Ford F-350 Super Duty on maintenance 33/100 and depreciation 77/100, where 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.