A distinctive feature of the GMA T.50 is the 8.5 kW 40 cm aerodynamic fan integrated into the rear of the car, powered by a 48 volt electrical motor.

By utilising the integrated aerodynamic fan, the T.50 can suck the air under the car at a 90-degree angle and provide a significant increase in overall downforce as it provides a laminar flow of air passing over the rear diffuser, thus, creating a greater level of suction in tandem with the Venturi effect, created underneath the car, ahead of the steep rear diffusers.

As recorded by Murray "the spine is 50 mm too wide, the headlamps are like glow worms in a jar, the air-con was hopeless, the brakes squeak, the clutch needs adjusting every 5,000 miles, the fuel tank bag replacing every five years, loading luggage in the lockers was a pain.

[10][better source needed] There will be 25 racing variants of the car, designated as the Gordon Murray Automotive T.50s Niki Lauda, each with a price of £3.1 million (before taxes).

Additions include a 1784mm wide delta wing on the rear, underbody aerofoil, new front splitter and adjustable diffusers which give the car 1200kg of downforce, with an optional high-downforce kit to increase it to 1500kgs.

The engine has its power boosted to 772ps, an aero fin is added which extends from the roof to the rear of the car and the underbody diffuser ducts are fully opened with the fan permanently running at 7000rpm.