The Mercedes-AMG GT4 is a customer race car built for FIA GT4 series competition. Powered by a 4.0L twin-turbo V8 (M178) producing up to 510 hp (regulated via Balance of Performance), it combines race-proven reliability with accessibility for amateur and semi-pro drivers. It features a 6-speed sequential gearbox, rear-wheel drive, and a reinforced aluminum spaceframe. Introduced in 2017, with updates in 2020 and 2022, the GT4 offers adjustable suspension, ABS, and race-grade safety systems, making it a balanced and competitive platform for GT4-class racing.