"18.06 miles per gallon of gasoline for 20,800 miles; 100 days continuous running; all kinds of weather conditions; all sorts of roads." The Chalmers Detroit cars were built in 1909 and 1910. The Chalmers Detroit won 69 major automotive competitions in 1909 and 1910. The Chalmers Detroit “30” was the winner of the 2,851 mile 1910 Glidden Tour. This was the first major competition won by the automobile costing less than $4,000. OCLC/WorldCat lists only one copy, at the Library of Michigan.