CarMax is a holding company. Through its subsidiaries, the company is engaged as a retailer of used vehicles. The company operates in two segments: CarMax Sales Operations, which sells used vehicles, purchases used vehicles from customers and other sources, sells related products and services, and arranges financing options for customers; and CarMax Auto Finance, which consists of finance operation that provides vehicle financing to customer buying retail vehicles from the company The company's products and services include retail merchandising, wholesale auctions, extended protection plans, reconditioning and service, and customer credit.

Ford Motor designs, manufactures, markets, and services a line of Ford cars, trucks, sport utility vehicles, electrified vehicles, and Lincoln vehicles, as well as provides financial services through its subsidiary, Ford Motor Credit Company LLC. The company is engaged in electrification; mobility solutions, including self-driving services; and connected vehicle services. The company has three operating segments: Automotive, which includes the sale of Ford and Lincoln vehicles, service parts, and accessories; Mobility, which includes its autonomous vehicles and its investment in mobility through Ford Smart Mobility LLC; and Ford Credit, which includes vehicle-related financing and leasing activities.

General Motors designs, builds and sells trucks, crossovers, cars and automobile parts. The company also provides automotive financing services through its subsidiary, General Motors Financial Company, Inc. (GM Financial). GM Financial provides retail loan and lease lending across the credit spectrum. GM Financial provides commercial lending products to dealers including new and used vehicle inventory floorplan financing and dealer loans, which are loans to finance improvements to dealership facilities, to provide working capital, and to purchase and/or finance dealership real estate. Other commercial lending products include financing for parts and accessories, dealer fleets and storage centers.

Tesla designs, develops, manufactures, sells and leases electric vehicles and energy generation and storage systems, and provides services related to its products. The company operates as two reportable segments: automotive, which includes the design, development, manufacturing, sales, and leasing of electric vehicles as well as sales of automotive regulatory credits; and energy generation and storage, which includes the design, manufacture, installation, sales, and leasing of solar energy generation and energy storage products, services related to such products, and sales of solar energy system incentives.