Andrew Rody, 55, for many years an automobile business executive who then ran an interior decorating firm with his wife in Crofton, Md., died of cancer June 23 at his home there.

Mr. Rody was born in Wellsburg, W. Va., and grew up in Weirton, W. Va. After World War II service in the Pacific with the Navy, he returned to Weirton and worked as a mechanic for automobile dealerships.

In 1958, he went to work for the Ford Motor Co., and was one of those who helped establish a warranty system for Ford products. From 1962 to 1966, when he moved to Crofton, he was regional service director of the Lincoln-Mercury Division in Camden, N.J.

From 1966 to 1970, Mr. Rody was general manager of the old Guy Steuart Ford dealership in Washington, now Steuart Motors in Lanham. Since 1971, he and his wife, Shirley Lee Rody, have operated the Decorating Den, an interior decorating firm.

In addition to his wife, survivors include two daughters, Shirley Lee and Andrea Lee, all of the home; two other daughters, Carol Ann Golkin of Gainesville, Fla., and Coralee Weintraub of Bowie; a son, David William of the home; a sister, Mary Reinogle of Detroit, and four grandchildren.