The GMA is a 4.0-litre, naturally aspirated V12 engine, commissioned by Gordon Murray, and developed and produced by Cosworth for the Gordon Murray Automotive T.50 & T.33 sports cars.

The Gordon Murray Automotive Type 50 or GMA T.50 is a sports car manufactured by Gordon Murray Automotive. Designed by Gordon Murray and inspired by the McLaren F1, the T.50 is powered by an all-new 3,994 cc (4.0 L) naturally aspirated V12 engine developed by Cosworth.

The Cosworth GMA V12 represents the pinnacle of high-performance internal combustion engine design. The GMA V12 sets new standards in the areas of power density, rpm, engine response, weight and packaging. The GMA V12 will surely go down in automotive history as the greatest road-going V12 ever made.

3.9L V12发动机来自英国制造商考斯沃斯，其转速高达12100rpm，在量产车中并不多见，功率为725马力，价格约为300万美元，另一款车型T.33搭载同款V12，但动力有所降低。

2020年7月21日 · Gordon Murray's new baby is an ultra-light, ultra-compact V-12 powerplant that makes 654 hp and screams to 12,100 rpm. It'll feature in the GMA T.50.

2020年7月22日 · 测试结果显示 GMA V12 引擎不仅能满足未来严格的欧盟7型排放标准，672马力的实测成绩还超出了原有650马力的设计功率！ 只有178kg重的 GMA V12 引擎不但比 McLaren F1 的动力总成轻了62kg，甚至比同样由 Cosworth 为马丁女武神打造的 V12 还轻了28kg！

2020年7月23日 · GMA V12 的三缸试制版机器在经历近9个月的综合测试后，GMA T.50 终极超跑的引擎供应商 Cosworth 本周完成了这款3.9升V12自吸引擎的完整版本，并在测功机上做出了惊人的功率！

2023年3月1日 · Gordon Murray Automotive (GMA) has released a video in which Gordon Murray, his mustache, and test driver Dario Franchitti explore the production and design of the insanely well-engineered...

2023年7月10日 · The first GMA V12 engine fired up on the dyno in July this year and from now until customer car deliveries begin in 2022, Cosworth is focusing its attention on fine-tuning the calibration to ensure Murray’s demands for impeccable drivability are met.

2020年8月4日 · [汽车之家 新车图解] Gordon Murray T.50，一台对于我们还比较陌生的车型，在传统大厂旗舰位置那些充满电控系统的车型之中，这台搭载手动变速箱，4.0L V12发动机仅有“区区”的654马力车型，似乎是个异类，动力表…