Used Car Dealership in Petaluma, CA - We offer easy financing options for people with good credit and those with less fortunate credit. Most of our used car customers comes from Santa Rosa, Rohnert Park, Windsor, and Healdsburg. Some of our customers even come from as far as Marin County, San Francisco Bay, and Solano County. Visit our website to view our selection of used cars or get preapproved for an auto loan by filling out the online auto loan application. If you are looking for a used car in Sonoma County, or anywhere in Nor Cal, give Credit Cars a call today.