AVOIR rates the 2023 Lexus IS 350's reliability 95/100 — excellent — from NHTSA recall counts, complaint density, and multi-year defect trends. Its overall AVOIR ownership score is 84/100 (Excellent).
AVOIR scores the 2023 Lexus IS 350's longevity 90/100 (excellent), estimated from high-mileage survival data and resale-panel evidence of how far these vehicles actually run.
AVOIR scores the 2023 Lexus IS 350 on maintenance 79/100 and depreciation 94/100 — 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.