Global Motorsports Group

3210 South Shannon St.,
Santa Ana, CA 92704 US
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GMG is the West Coast's premier performance tuning, service and motorsport facility located in Orange County, CA. Offering leading independent service in Southern California for all Porsche vehicles - both newer water-cooled and older air-cooled cars - GMG features a state of the art 30,000 sq. ft. facility and 4wd chassis dynamometer, the latest factory diagnostic equipment, cutting edge laser alignment equipment, and factory trained technicians. We are not only a performance tuning and race shop, but we are also a complete dealership alternative that can perform all factory service, maintenance, and repair work.

Our factory trained technicians and Service Manager are all passionate enthusiasts with years of experience at Porsche dealerships. In addition, our diverse and extensive experience with both street and professional race cars gives us a far more advanced understanding of drivetrain, engine management, and chassis function than most repair shops including the dealership. This competitive edge allows us to think outside of the box and be able to quickly diagnose and resolve any issue. GMG works very closely with the local dealerships and also with all third party warranty and insurance companies. What separates GMG from other shops is our passion for the Porsche brand and our attention to detail, offering you the best service available anywhere. If you have a modified car and the dealership will not service it anymore, GMG is your place to have your car serviced. In fact, many Porsche dealerships throughout Southern California refer their customers with modified cars to GMG for maintenance, service, diagnostics, repairs, and performance upgrades.

We perform all factory maintenance and repair services including simple PPI's (pre-purchase inspections), track inspections, oil changes, fluid changes, brake servicing, diagnostics, suspension repair, alignment, complete engine and transmission rebuilds, and many more. To ensure that we maintain all aspects of your manufacturer's warranty, we use the latest state of the art diagnostic equipment and factory parts. Rare and high performance Porsche models such as the Turbo, GT2, GT3, Carrera GT, 959 are our speciality here at GMG. We also specializes in older air cooled Porsche models such as the 993, 964, and 930 models.

While offering our own GMG branded complete line of race-proven aftermarket performance parts including aero, exhaust, suspension, and wheels, GMG is also proud to be an authorized dealer for GIAC, APR, ADV1, BBS, Sparco, Sabelt, Endless, Brembo, Stoptech, IPE, and many other aftermarket performance brands.For performance tuning and diagnostic testing, our facility features a state of the art Mustang 4MD-AWD-500 mechanically linked AWD performance dyno housed in a test cell to ensure proper airflow for test repeatability and reliability.

GMG is conveniently located in Orange County near the 405, 73, 5, and 55 Freeways, John Wayne Airport, and South Coast Shopping Plaza. Our close proximity to the freeways allows us to be easily accessed from the surrounding areas of Los Angeles, Riverside, San Diego, and San Bernardino Counties. Our modern customer waiting area offers gourmet coffee and a wide screen television and also a quiet setting with Wi-Fi for our clients who would like to work on their own laptop computers. For your convenience, our complimentary shuttle service is available to take you to your local office, home, or the mall nearby while your vehicle is being serviced. GMG also offer rental cars and 24 hour towing services through our corporate partners and make arrangements for you before you drop of your car.

  • 991 Turbo S
  • 991 Turbo
  • 991 Targa
  • 991 Cabriolet
  • 991 GT3
  • 991 Carrera S
  • 991 Carrera
  • 997 GT2 RS
  • 997 GT2
  • 997 GT3 RS 4.0
  • 997 GT3 RS
  • 997 GT3
  • 997 Turbo S
  • 997 Turbo
  • 997 Targa 4S
  • 997 Targa 4
  • 997 Carrera 4S
  • 997 Carrera 4
  • 997 Carrera S
  • 997 Carrera
  • 986 Boxster
  • 987 Boxster
  • 981 Boxster
  • 981 Cayman GTS
  • 981 Cayman S
  • 981 Cayman
  • 987 Cayman R
  • Macan S
  • Macan Turbo
  • 970 Panamera
  • 970 Panamera S
  • 970 Panamera 4
  • 970 Panamera 4S
  • 970 Panamera GTS
  • 970 Panamera Turbo
  • 970 Panamera Turbo S
  • Carrera GT
  • 996 GT2
  • 996 GT3
  • 996 Turbo X50
  • 996 Turbo S
  • 996 Turbo
  • 996 Carrera 4S
  • 996 Carrera 4
  • 996 Carrera S
  • 996 Carrera
  • 993 GT2
  • 993 Turbo S
  • 993 Turbo
  • 993 Targa
  • 993 Carrera 4S
  • 993 Carrera S
  • 993 Carrera RS
  • 993 Carrera Coupe
  • 964 Turbo
  • 964 Carrera RS
  • 964 C4
  • 964 C2
  • 911 930 Turbo and Turbo Carrera 3.0-litre (1975–1977)
  • 911 930 Turbo 3.3-litre (1978–1989
  • 911 Carrera RS (1973 and 1974)
  • 911 and 911S 2.7 (1973–1977)
  • 911 Carrera 2.7 MFI and CIS (1974–1976)
  • 911 Carrera 3.0 (1976–1977)
  • 911 SC (1978–1983)
  • 991 Carrera 3.2 (1984–1989)

Porsche Transmissions We Service:

  • Tiptronic
  • PDK

Professional Affiliations:

  • AAA
  • ASE
  • Bosch
  • PCA Orange County (Porsche Club of America – Los Angeles Region)

Porsche repair specialists serving Tustin, Aliso Viejo, Anaheim, Anaheim Hills, Corona Del Mar, Costa Mesa, Coto De Caza, Dana Point, Foothill Ranch, Huntington Beach, Irvine, Ladera Ranch, Laguna Beach, Laguna Hills, Laguna Niguel, Laguna Woods, Lake Forest, Mission Viejo, Newport Beach, Newport Coast, Orange, Portola Hills, Rancho Santa Margarita, San Clemente, San Juan Capistrano, Trabuco Canyon, Oceanside, San Diego, Los Angeles, Riverside, Villa Park and Santa Ana.

Email us anytime: sales@gmgracing.com.

Awards & Affiliations

AAAAAA
ASE CertifiedASE Certified
Bosch ServiceBosch Service