SixTen Cars (also presented as Sixten Coachbuilders, LLC in some materials) was a small U.S. coachbuilding and kit-conversion project associated with designer Lars E. Martinsson and promoted in the early 2010s. It built neoclassic, one-off or limited custom cars by extensively rebodyshelling Ford Mustang convertibles, offering both finished builds and at least one do-it-yourself kit package. A principal model, the SixTen Sabre, was described as…