Toyota later unveiled a production model in October 2019, with an engine rated at . It has a seven-speed automatic, as opposed to the eight-speed unit on standard road going models, and has an Akrapovič exhaust system which enables the increase in power. Inside, an FIA-standard racing seat is present featuring a six-point harness, along with a carbon fiber instrument cluster. Motorsport ABS, a data logger and a fire extinguisher are standard, while an illuminated car number is optional. The GT4 is equipped with six-piston front and four-piston rear brake calipers. Pirelli P Zero racing tires and OZ wheels are fitted, supported by KW dampers. The roll cage and rear wing are also carried over from the concept. Sales are expected to begin Europe in March 2020, followed by North America in August 2020 and Japan/Southeast Asia in October 2020.