Not to be confused with the later 2500M, the 2500 (marketed as the Vixen 2500 in the United States) built between 1971 and 1972, and was designed to take advantage of the fact that the Triumph 2.5L inline-six engine had already been certified for US emissions standards (although only in 105 bhp form.) The final production run of the 2500 (comprising 96 cars) used the M Series chassis with Vixen-style bodywork.
The TVR 2500 was produced as a coupe in two configurations, the base 2500 and the 2500M. Both werepowered by a six-cylinder Triumph TR6 engine producing 105 horsepower. The differences were the length; the 2500 measured 145-inches while the 2500M was 160 inches. There were 385 examples of the 2500 produced between 1972 through 1976, and 947 of the 2500M during that same time period.