Global Motorsports Group (GMG) is North America’s premier service facility for Porsche, Audi, Ferrari, Mercedes and other European performance automobiles. Located in Southern California, GMG technicians are factory trained and utilize the most comprehensive, up-to-date service techniques and equipment available.

GMG technicians have years of specialized hands-on training and experience working with your specific automobile. Our technicians are experts in the particular brand of vehicle they work on, assuring your car is being attended to by someone who knows the ins and outs of your make and model like no one else. When it comes to rare models within a manufactures' range, GMG has the advantage over dealer garages as our techs have worked across the entire lifetime of these vehicles, not just until the warranties runs out.


Located across the street from Porsche Motorsport North America, GMG's Porsche service and performance tuning department is unparelled. Utilizing the latest factory equipment and factory trained technicians, GMG's experience and history with Porsche is second to none in the country. GMG blends race winning experience with the best service available in the country.


GMG is proud to be the west coast leading Audi specialist with extensive knowledge and speciality of Audi S , R, and RS Quattro models from the UR Quattro to todays R8 GT road car. We invest heavily in factory diagnostic equipment from Audi AG, and only hire Audi factory trained technicians to work on the marque on our service floor.


The Italian automobile manufacturer has a very special place to GMG. The passion and enthusiasm shared by the staff at GMG for the brand is second to none offering factory service on all modern Ferrari automobiles.. Utilizing the latest in factory procedures to ensure your investment is sound for years to come. This is why GMG services Ferrari's from all over the west coast and not just Southern California.


GMG is proud to be a specialty service center for Mercedes Benz automobile, specializing in low production and AMG models; GMG offers dealership caliber service and repair work with a focus on specialty models.


BMW and BMW M cars are very special to GMG, having started our professional careers racing BMW's we are proud to offer the best service on specialty models and all M cars.. From routine maintenance to more specialized performance upgrades, we have the experience and technology under one roof to keep your BMW running at its best.



GMG craftsman have over 50 years of combined coach work experience. Specializing in complete restorations of Porsche road and race cars from the ground up, our specialists can restore your prized possession to its original glory. Our clients come from […]


GMG is proud to offer minor and major restoration work for all vintage road and race cars. Our staff has years of experience in restoring vehicles to there period correct authenticity. So, if its a vintage race car that you […]


GMG specializes in the performance tuning of Porsche, Audi, and Ferrari automobiles. GMG works with today’s leading tuning equipment from worldwide automotive technology leaders.  We offer installation of performance-related parts and equipment plus we engineer, develop and manufacture our own […]


GMG is proud to be a technology partner to Beissbarth and is one of the exclusive facilities in North America which has used this technology since 2004. Beissbarth is the OEM supplier of alignment measuring equipment to some of the […]


GMG offers custom electrical work including the building of custom chassis and engine harnesses for engine swaps, race cars, standalone engine management systems, data acquisition systems, telemetry, in- car video systems for driver coaching and more.   All work is done […]

4wd dyno chassis

GMG features a state of the art Mustang AWD 500SE Chassis Dynamometer with a sound proof environmental control test cell. Our test cell is a state of the art unit, which offers unparalled repeatability and consistency. The Mustang 500 SE […]