GMC will soon introduce an ultra-lux version of the Acadia under the Denali tag, GMC Communications Group Manager Dayna Hart announced on her Twitter page. The announcement hardly comes as a surprise, although the method in which the announcement was made public only further illustrates that automakers have been abandoning traditional public relations methods for releasing new product news.
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In 2012, the current GMT900 chassis for the full size SUV’s such as Tahoe, Suburban and Escalade, as well as the Silverado pickups will probably be retired.

According to sources at General Motors, the vehicles will be skimmed down to smaller size, by utilizing the Lambda platform. The Lambda platform is most widely known for it’s current production vehicles, which are the GMC Acadia, Buick Enclave, Saturn Outlook and Chevy Traverse.

Using the smaller platform, there will be significant weight saving, which will be coupled to better gas mileage. Judging by the current lineup of vehicles, I would suspect that the 5.3 or 6.0 liter version of the Lambda platform would make some serious jam in the power to weight ratio department. Placing the Silverado on the Lambda platform, might have some disadvantage when manufacturers become competitive on terms of towing capacity.

The towing capacity of the Lambda platform is a lot less then the GMT900 platform. I can’t even begin to wonder how they would accommodate for a Dually setup on the Lambda. But I guess time will tell.