20 August 2026

Narrowbody Aircraft Valuation in 2026: Supply Constraints, Leaseability, and the A320 vs 737 Value Dynamic

This 2026 market insight examines valuation trends across the Airbus A320 and Boeing 737 families, the two aircraft platforms that continue to define the global narrowbody market. It explores how strong passenger demand, substantial order backlogs, constrained production, engine availability, and extended delivery timelines are supporting aircraft values and lease rates across both current- and previous-generation fleets. With extensive global operator bases, mature maintenance ecosystems, and highly liquid secondary markets, both families remain central to aircraft leasing, financing, and investment activity.

The report compares the evolving value dynamics of the A320neo Family and Boeing 737 MAX, highlighting the valuation premium commanded by the A321neo and the strengthening market position of the 737 MAX 8. It also examines the continued resilience of mid-life A320ceo and 737NG aircraft, where delayed fleet replacement and limited near-term availability have extended economic lives, supported lease extensions, and kept secondary market demand stronger than historical depreciation patterns might suggest.

Grounded in Acumen’s aircraft valuation and market analysis, the insight looks beyond aircraft age to assess the factors increasingly shaping long-term value, including maintenance condition, leaseability, fleet commonality, operator diversity, liquidity, and transition costs. It also considers the distinction between elevated Current Market Values driven by today’s supply-demand imbalance and longer-term Base Value fundamentals as production gradually normalises. Written for lessors, investors, airlines, financiers, and aviation professionals, the report provides a structured view of the forces likely to differentiate high-performing narrowbody assets as the market moves towards a more balanced environment.