This study analyses the French used vehicle market, primarily the passenger car segment, based on data available as of October 15, 2026; light commercial vehicles are covered separately. It explains how previously weak new vehicle registrations are reducing the availability of recent models, ageing the supply and keeping internal combustion vehicles at the forefront. In 2025, 5,53 million used passenger cars changed ownership across France, accounting for 76,9 % of new and used car purchases. The average age of vehicles traded reached 11,1 years. The analysis links prices, income, mobility needs and financing. It examines the growth of lease-to-own financing, the trade-offs between purchase price, monthly payments, maintenance and fuel, and the significant share of private sales. It compares the business models of dealership groups, integrated specialists, brokerage agencies, classified advertising platforms, dealers and auction houses, including the cases of Autosphere, Aramisauto, AU