Audi is a German premium car brand founded in 1909 by August Horch. Known for refined design, advanced technology and quattro all-wheel drive, Audi built a strong reputation for performance and comfort. Popular models include the Audi A3, A4, A6, Q3, Q5, Q7 and e-tron electric range. Today, Audi offers luxury cars, SUVs and electric vehicles for drivers seeking style and innovation. Browse our marketplace to find used and new Audi cars that fit your budget and lifestyle.