GMT900 had been called a "Hail Mary pass" for the General Motors Corporation—the company needed the revenue from these large trucks to ensure its financial solvency.

With the 2005 spike in gasoline prices, some analysts have questioned the wisdom of "betting the company" on a line of large trucks.

Sales initially exceeded expectations, but by 2008, General Motors announced it was significantly cutting back production.

[3] The Hummer H2 was meant to move to the new platform in the next few years, but has since been cancelled (although the engine and gauge cluster shape have been updated for 2008).

[5] However, on January 14, 2010, more than six months after its bankruptcy, General Motors announced that it would resume development of full-size trucks and SUVs.