Autotrader has 66 New Audi A5 cars for sale near Santa Ana, CA, including a 2020 Audi A5 2.0T Premium Plus Sportback, a 2021 Audi A5 2.0T Premium Plus Coupe, and a 2021 Audi A5 2.0T Premium Plus Sportback ranging in price from $45,170 to $61,815.