Ford Zephyr: the six-cylinder Ford that policed Britain (1950-1972) The Ford Zephyr was the six-cylinder heart of Ford of Britain's big-saloon range, quick and spacious for its day, and famous as the patrol car of the BBC series Z-Cars. A guide to the four generations from the finned Three Graces to the big V6 Mk4, how it relates to the Consul and Zodiac, what to look for, and what they are worth.