OC TOP CARS, 17842 COWAN ST. SUITE 110, IRVINE, CA 92614; CALL us OR TEXT directly 949-305-8877. Welcome to OC TOP CARS, Over 40 Years of Experience at Your Service. Our goal is to offer quality pre-owned vehicles and an exceptional experience. We want your car buying to be fun and memorable, where you want to recommend us to your family and friends. Come in today and put us to the test and find out why so many recommend us.