Nash focused on producing one high-quality automobile for the upper medium price range, later adding a smaller, less expensive model, the Ajax. Nash realized he could never compete with the market diversity of the Big Three, so he based his profits on careful management, close attention to costs, and opportunities for expansion. Nash was a hands-on executive, who concentrated on developing more efficient purchasing and setting up accounting procedures that would specify the source of costs and profits.

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During the Great Depression the Nash cars were popular providing high quality, durability, and the look of luxury at a relatively low price. The company also saw opportunity in the luxury car market segment and introduced the top-of-the-line Ambassador models on a 142 in (3,607 mm) wheelbase in 1932 that soon earned the nickname of "Kenosha Duesenbergs" because of their quality.

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Nash is best remembered for responding to public demand by building smaller, more economical and affordable cars. Nash Motors was successful in marketing cars to America's middle class. Charles Nash is also recognized for lean operations in business that included scheduling production and material orders closely, carrying a small inventory, and having flexibility in meeting the changing market needs during the economic turmoil of the 1920s and 1930s. Nash, is also credited with developing the straight-line conveyor belt assembly system that he first introduced at the Durant-Dort Carriage Company factory.

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Charles W. Nash's achievements by 1926 were characterized as a genuine success story.