Triumph TR5: the rare fuel-injected six (1967-1968) The Triumph TR5 was built for barely a year and only 2,947 were made, which makes it the rarest of the mainstream TRs and one of the most valuable. It was the first six-cylinder TR, with 150 bhp from a Lucas fuel-injected 2.5-litre straight-six wrapped in the familiar TR4 body. A guide to the TR5 versus the American TR250, what to look for, and what they are worth.
