KMX vs OPEN Comparison

CarMax sells, finances, and services used and new cars through a chain of over 250 used retail stores. It was formed in 1993 as a unit of Circuit City and spun off into an independent company in late 2002. Used-vehicle sales were 83% of fiscal 2025 revenue and wholesale about 17%, with the remaining portion composed of extended service plans and repair. In fiscal 2025, the company retailed and wholesaled 789,050 and 544,312 used vehicles, respectively. CarMax is the largest used-vehicle retailer in the US but still estimates that it had only about 3.7% US market share of vehicles 0-10 years old in calendar 2024. It seeks over 5% share. CarMax is based in Richmond, Virginia.

Opendoor Technologies Inc is an end-to-end real estate platform enabling customers to sell and buy a home online. Its product offerings include Sell to Opendoor, its core product where sellers sell their homes directly to the company, and it resells those homes to buyers; List with Opendoor, for customers to list their homes with a partner agent; and Opendoor Marketplace, a capital-light marketplace offering that connects home sellers with both institutional and retail buyers. In addition to these products, the company also offers its customers integrated title insurance and escrow services through its subsidiaries. A vast majority of the company's revenue is generated by its core product offering, where it acquires homes directly from sellers and resells those homes to buyers.