The TVR S Series is a line of sports cars produced by TVR, a British manufacturer known for its high-performance vehicles. The S Series spanned three iterations: the S1, S2, and S3. While there were no factory-made convertible versions of the S Series, some owners may have opted for aftermarket modifications to convert their cars into convertibles. Here's an overview of each iteration:

1. TVR S1 (1986-1988):
   • The TVR S1 was the first iteration of the S Series, introduced in 1986.
   • It featured a lightweight fiberglass body mounted on a tubular steel chassis, contributing to its excellent power-to-weight ratio.
   • Power came from a range of engines, including four-cylinder and V6 units, sourced from Ford and Rover.
   • The S1 was known for its sharp handling and exhilarating performance, thanks to its lightweight construction and potent engines.
   • Its design was characterized by sleek, aerodynamic lines, pop-up headlights, and a low-slung profile.
2. TVR S2 (1988-1990):
   • The TVR S2 was an evolution of the S1, introduced in 1988.
   • It featured various updates and improvements, including revised styling, upgraded suspension, and enhanced interior amenities.
   • The S2 continued to offer a range of engine options, with power outputs varying depending on the engine choice.
   • Like its predecessor, the S2 prioritized driving dynamics and performance, delivering an engaging and thrilling driving experience.
3. TVR S3 (1991-1993):
   • The TVR S3 was the final iteration of the S Series, introduced in 1991.
   • It featured further refinements and updates, including revised bodywork, improved aerodynamics, and additional creature comforts in the interior.
   • The S3 maintained the lightweight construction and potent performance of its predecessors, offering exhilarating acceleration and agile handling.
   • Engine options continued to include both four-cylinder and V6 units, providing a range of power outputs to suit different preferences.
   • The S3 represented the culmination of TVR's expertise in building high-performance sports cars, offering a blend of style, performance, and driving excitement.

While there were no factory-made convertible versions of the TVR S Series, aftermarket companies or individual owners may have undertaken convertible conversions on some models. These conversions would vary in terms of quality and design, depending on the specific modifications made.