The car had a Standard wet liner inline-four engine from the Vanguard, fitted with twin H4 type SU Carburettors and tuned to increase its output to 90 bhp. The body was mounted on a substantial separate chassis with coil-sprung independent suspension at the front and a leaf spring live axle at the rear. Either wire or disc wheels could be supplied. The transmission was a four-speed manual unit, with optional top gear overdrive. Lockheed drum brakes were fitted all round.
Employing a production TR2 with optional streamlining equipment under-shield, rear-wing spats, and a metal cockpit cover, Triumph attained a speed of 124.889 mph on the closed Jabbeke motorway in Belgium in May 1953.This was against competition from the MG TF, Healey 100, the Jaguar XK series and particularly the Sunbeam Talbot Alpine which with Sheila Van Damm driving reaching 120mph.