With the phase-out of the Austin-Healey, Jensen decided to attempt a volume produced sports car of their own, and again went to Chrysler for power. The name Interceptor was revived for a lightweight prototype designed to sell for considerably less than the C-V8. However, Jensens had come under financial control of the Norcros Group in the late 1950s and the Norcros interests felt that an Italian design on a C-V8 chassis was a better proposition, and had a prototype built up by Vignale. This 1966 initiative deepened a rift within the company, and Alan and Richard Jensen resigned. The new C-V8 based, Italian-styled Interceptor entered production in September. An FF model was made ready at about the same time. Three versions of Interceptors (Mk I, II and III) were made through to December 1976, all with the Chrysler 6276cc V8. Three versions of FFs were also offered, with similar dates, although the last FF appeared in December 1971.
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The Mk II was announced in October 1969, revised frontal styling and vented disc brakes. The Mk III of 1971 had revised seats, fully-cast alloy wheels plus some other improvements. The Mk III was divided to G-, H- and J-series, depending on the production years. The "J" version of Interceptor III was the most luxurious Jensen built. Total production Series I, II and III 1966 to 1976: 6408, LHD and RHD.
Jensen were one of the first manufacturers to equip a production car with four-wheel drive, in the shape of the 1967 Jensen FF (Ferguson Formula). At the time it was hailed as a remarkable development, coming also with anti-lock brakes and traction control. The car was four inches (100 mm) longer than a 'standard' Interceptor, with the addition of two side vents on the front flanks. Press from the time quote "drag-strip" performance when describing the car. 320 Mk I, 109 Mk II and 15 Mk III FFs were made
A convertible with powered soft top was introduced in 1974 mainly intended for the American market but also sold in Europe. 267 convertibles were made.
Rarer still is the Coupe version with just 60 made, derived from the convertible and introduced in 1975, just a year before the company's demise. It could be said though this version detracted from the rakish, stylish looks of the GT