TR6

A home-market fuel-injection car sells above the American carburettor cars that dominate the record. Triumph TR6 values from 1,280 recorded auction sales, what the chassis and the Lucas system do to the price, and why the TR6 has given back a third of its pandemic gains.

The Triumph TR6 was the best-selling TR and the last of the traditional separate-chassis British sports cars, a muscular Karmann-restyled roadster with a 2.5-litre straight-six and, on home-market cars, Lucas fuel injection. A guide to the PI-versus-carburettor cars, the CP and CR distinction, and the buying checks that matter most.