The TVR 450 SEAC was a limited production sports car that was introduced for the 1989 model year. The 450 SEAC was offered in a convertible body style, and was powered by a Rover-sourced 4.5L V8 engine that had an output of 325hp. Power from the engine was sent to the rear wheels via a 5 speed manual transmission. The TVR 450 SEAC saw an estimated 18 original examples built, but exact numbers are unknown, with many TVR 420 SEACs converted to 450 specification. Production of the 450 SEAC was limited to the 1989 model year.