What was the first mass produced sports car in US?

While there's no single universally agreed-upon definition of "mass-produced" in the context of early sports cars (production numbers varied widely even in what we'd consider mass production today), the Chevrolet Corvette (1953) is generally considered the first mass-produced American sports car. While earlier cars had some sporty characteristics, the Corvette's production numbers and intention to target a wider market, rather than a niche, set it apart.