CarMax, Inc., through its subsidiaries, operates as a retailer of used vehicles and related products in the United States. The company operates in two segments: CarMax Sales Operations and CarMax Auto Finance. The CarMax Sales Operations segment offers customers a range of makes and models of used vehicles, including domestic, imported, and luxury vehicles, as well as hybrid and electric vehicles; used vehicle auctions; extended protection plans to customers at the time of sale; and reconditioning and vehicle repair services. The CarMax Auto Finance segment provides financing alternatives for retail customers across a range of credit spectrum and arrangements with various financial institutions.