GM Lambda platform

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GM Lambda platform
2013 Chevrolet Traverse LTZ -- 2012 NYIAS 1.JPG
Manufacturer General Motors
Production 2006–2017
Body and chassis
Class Full-size crossover SUV, minivans cancelled
Layout FF layout/All wheel drive
Body style(s) 4-door SUV
Vehicles Saturn Outlook (discontinued)
GMC Acadia
Buick Enclave
Chevrolet Traverse
Chevrolet Trailblazer (second generation)
Transmission(s) 6-speed automatic
Predecessor GM U platform
Successor GM C1XX platform

Lambda is General Motors' full-size crossover SUV automobile platform. It is largely derived from the GM Epsilon platform, which underlies the Chevrolet Malibu sedan and similar models.

The Buick Enclave concept car was previewed at the 2006 North American International Auto Show, and the Saturn Outlook was shown at the 2006 New York Auto Show. The 2007 Outlook and GMC Acadia went into production in late 2006, followed by the 2008 Enclave in mid-2007, and the 2009 Chevrolet Traverse in mid-2008.

Lambda vehicles feature easily accessible three-row seating. They were supplied with the LY7 3.6-liter V6. Starting with the 2009 model year all Lambda vehicles have GM LLT 3.6-liter gasoline direct injection engine for improved fuel efficiency, horsepower and torque. With the cancellation of GM's next-generation DOHC V8, it appears unlikely that GM will offer a V8 engine for Lambda. The platform has been designed for front and all-wheel drive applications.

Lambda vehicles are produced in the new Lansing Delta Township Assembly plant near Lansing, Michigan. The Traverse began production in September 2008 at a retooled Spring Hill Assembly Plant in Tennessee, but production was later moved to Lansing. GM discontinued the Outlook after the 2010 model year along with the entire Saturn brand.

Meanwhile, GM announced a second generation of its GMC Acadia for the 2013 model year, taking the bodyshell of the defunct Saturn Outlook, while at the same time, GM would refresh its Buick Enclave & Chevrolet Traverse vehicles.


GM was considering replacing the U-body minivans with new minivans using the Lambda platform for the 2009 model year, but due to the decline of minivan sales the plan was cancelled.[1]


Vehicles based on this platform:


Calendar Year Total US sales Acadia Enclave Outlook Traverse
2006 624 480 - 144 -
2007 136,799 72,765 29,286 34,748 -
2008 145,942 66,440 44,706 25,340 9,456
2009 201,159 53,820 43,150 13,115 91,074
2010 230,465 68,295 55,426 106,744
2011 244,811 79,288 58,392 107,131
2012 220,589 78,280 56,703 85,606
2013 246,794 89,793 60,534 96,467
2014 250,215 83,972 62,300 103,943
2015[2] 278,419 96,393 62,081 119,945