Start with what the Triumph TR4 is: a 2-door Drophead coupé with 2138 cc I4, built from 1961 to 1965, in the decade that gave the world the pony car and the mid-engined supercar. What it meant takes a little longer. The shape is credited to Giovanni Michelotti.
The story
The Triumph TR4 is a sports car produced by the Triumph Motor Company from 1961 to 1965. Successor to the TR3A, the TR4's chassis and drivetrain are closely related to those of its predecessor, but with an updated body designed by Michelotti.
What is underneath
The engine is 2138 cc I4. On the scales it comes to 966 kg. Drive goes through a 4-speed manual. The layout matters: a front engine drives the rear wheels, the classic proportion — long bonnet, cabin set back — that most people picture when they picture a sports saloon or a grand tourer. The wheelbase is 2238 mm. These are manufacturer figures carried by Wikipedia and Wikidata, not road-test measurements.
Its place in the line
In the Triumph line-up the Triumph TR4 has a clear place: it replaced the Triumph TR3; it handed the line to the Triumph TR4A; the factory was Canley, Coventry. The cars a buyer would have weighed it against include the Volvo P1800, the Jaguar E-Type, the Alfa Romeo Giulia. Nearby in the Triumph catalogue sit the Triumph SD2 and the Triumph Renown.
Owning one today
MotorJury scores cars on the United States complaint and recall record, and the Triumph TR4 has none: too old, too rare, or never sold there. Its value today is a collector's question, decided by provenance and condition rather than by a class average.