Gamma is General Motors' global subcompact front-wheel drive automobile platform, first used in the 2000 Opel Corsa C.

Gamma / GM4300

The first version of the platform was issued in autumn 2000 with the introduction of Opel Corsa C and was a development of the earlier GM4200 platform used in previous Corsa models, developed by Opel in Germany. The wheelbase was enlarged to from on the GM4200.

Vehicles based on this platform:

  • 2000–2006 Opel Corsa C
  • 2001–2010 Opel Combo C
  • 2002–2010 Opel Meriva A
  • 2003–2011 Chevrolet Montana
  • 2004–2009 Opel Tigra TwinTop B

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File:Opel Corsa C 1.2 Elegance front 20100912.jpg|Opel Corsa C

File:2002 Vauxhall Corsa Comfort 12V 1.0.jpg|Vauxhall Corsa

File:'03-'05 Chevrolet Corsa Hatchback Taxi Isla Mujeures.jpg|Chevrolet Corsa

File:2001 Holden Barina (XC) 5-door hatchback (2015-07-03) 01.jpg|Holden Barina

File:Opel Combo C Tour 1.7 DTI front 20100808.jpg|Opel Combo C

File:2006 Vauxhall Combo 2000 CDTi 16V 1.2 Front (1).jpg|Vauxhall Combo

File:Opel Meriva 1.6 Facelift.JPG|Opel Meriva A

File:Opel Meriva OPC front Facelift.jpg|Opel Meriva OPC

File:2010 Vauxhall Meriva Design facelift 1.4.jpg|Vauxhall Meriva

File:Chevrolet Meriva GL 1.8 2005 (16521789960).jpg|Chevrolet Meriva

File:2009 montana 1.8 sport.jpg|Chevrolet Montana

File:Opel Tigra TwinTop 20090614 front.JPG|Opel Tigra TwinTop

File:2006 Holden Tigra (12261398636).jpg|Holden Tigra

File:2006 Vauxhall Tigra Twinport 1.4 Front.jpg|Vauxhall Tigra

</gallery>

Gamma II

right|thumb|250px|2017 Chevrolet Trax, subcompact crossover SUV based on the new Gamma platform

GM Korea has taken responsibility for future development of GM's GSV (Global Small Vehicle) architecture.

While the original Gamma was developed by Opel, the Gamma II platform is under the leadership of GM Korea (formerly GM Daewoo).

The vehicles will be assembled at factories in the United States, Indonesia, Ecuador, Brazil, Germany, Colombia, Spain, India, South Korea, Mexico, Thailand, Venezuela, Uzbekistan, Vietnam, China and Russia.

Current and announced vehicles based on Gamma II (GSV) platform:

  • 2010–2024 Chevrolet Spark, Holden Barina Spark
  • 2010–2014 Chevrolet Sail
  • 2011–2020 Chevrolet Aveo/Sonic, Holden Barina
  • 2011–present Chevrolet Cobalt
  • 2012–present Chevrolet Spin
  • 2013–2019 Opel/Vauxhall Mokka
  • 2013–2022 Buick Encore
  • 2013–2024 Chevrolet Onix, Chevrolet Joy
  • 2013–2024 Chevrolet Prisma Mk II, Chevrolet Joy Plus
  • 2013–2022 Chevrolet Trax
  • 2014–2019 Opel Karl/Vauxhall Viva
  • 2015–2022 Chevrolet Spark, Holden Spark