KMX vs MGA 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.

Magna International prides itself on an entrepreneurial culture and a corporate constitution that outlines the distribution of profits to various stakeholders. This automotive supplier's product groups include exteriors, interiors, seating, roof systems, body and chassis, powertrain, vision and electronic systems, closure systems, electric vehicle systems, tooling and engineering, and contract vehicle assembly. In 2024, 48% of Magna's USD 42.8 billion of revenue came from North America, while Europe accounted for approximately 37% and Asia the remainder. The firm's top six customers constituted 72.9% of revenue, with the top three being GM, Mercedes, and Ford. GM was the largest contributor at 15.4%. Magna was founded in 1957, has over 170,000 employees, and is based in Aurora, Ontario.