GMG specializes in the performance tuning of Porsche automobiles. GMG is an authorized dealer and technological partner with many of the industry leading companies and we also engineer, develop and manufacture our own line of performance products and wheels under the GMG World Challenge and LMS lines.

James Sofronas (born September 9, 1968) is an American racing driver and the founder of Global Motorsports Group. Sofronas began his racing career in the early 1990s, purchasing a Nissan NX 2000 which was eligible for the SCCA SSB category.

The Gordon Murray Group (GMG) comprises two industry-leading and symbiotic divisions: Gordon Murray Advanced Engineering (GMAe) and Gordon Murray Automotive (GMA). GMAe is at the forefront of design and innovation which enables engineering excellence to deliver the greatest supercars in the world.

GMG is North America’s premier performance tuning, service, and racing facility. What began as a small 1,200 sq. ft. shop, maintaining two race cars, has grown into a 30,000 sq. ft. state-of-the-art facility located in Orange County, California. GMG specializes in Porsche, Audi, Ferrari, Mercedes, BMW, & Lamborghini.

We specialize in the tuning, modification, and factory-level service of high end European Automobiles, including Porsche, McLaren, Lamborghini, Ferrari, Audi, BMW, Mercedes, and more. With knowledge gained from our storied racing program, we manufacture the finest aftermarket parts for these cars currently available.

2023年6月23日 · Championship-winning sports car racing team GMG Racing makes its major international competition debut in next weekend’s CrowdStrike 24 Hours of Spa where team co-drivers Kyle Washington, James Sofronas, Jeroen Bleekemolen and Patrick Long co-drive the No. 132 GMG Racing by Car Collection Motorsport Porsche 911 GT3 R in Pro-Am Class in the ...

2022年10月27日 · GMG Racing’s modified Porsche 911 GT3 tore it up at the Thermal Club in Southern California, but our time behind the wheel was not to be.

1 天前 · CORONA, CA – March 13, 2025 – (Motor Sports NewsWire) – Troy Lee Designs, the world-renowned leader in custom design and motorsport apparel, has teamed up with Mobil 1 to create an exclusive livery for the 2025 Porsche 911 GT3 Global Motorsports Group (GMG) race car, alongside a custom line of team apparel for the highly anticipated Carrera Cup.

2012年8月8日 · Anyone have or heard a GMG exhaust? I know a guy parting out his car and he told me he has one, only barely heard of the company before so I'm looking for some feedback Reply

Troy Lee Designs and Mobil 1 Collaborate on Exclusive GMG 911 GT3 Livery and Apparel for the 2025 Porsche Carrera Cup [Corona, California, March 13, 2025] — Troy Lee Designs, the world-renowned leader in custom design and motorsport apparel, has teamed up with Mobil 1 to create an exclusive livery for the 2025 Porsche 911 GT3 Global Motorsports Group (GMG) race car, alongside a custom line ...