The term 'OLD ROADSTER' can be broken down into two crossword solutions: REO (3 letters) and OLD (4 letters). REO stands for the Ransom Eli Olds Motor Vehicle Company, which was founded in 1897 by Ransom Eli Olds. The company was known for producing some of the earliest mass-produced automobiles, including the REO Roadster, a two-seater convertible that was popular in the 1920s. OLD is an adjective that describes something that has existed for a long time. In this case, it is referring to the REO Roadster, which was produced over a century ago.