Sold in 1500, 2500 or 3500 ranges, the 2012 GMC Savana Cargo van is provided in a 135-inch and 155-inch wheelbase. With a maximum cargo capacity of 284.4 cubic feet, the 2012 Savana Cargo van standard equipment includes air conditioning and dual 12-volt power outlets. StabiliTrak stability control, front passenger air bags and tire pressure monitoring system is also included on all 2012 GMC Savana Cargo vans as safety items. In the 2012 Savana 1500 range, engine choice is based on a 195 horsepower, 4.3 liter V-6 and a 5.3 liter V-8 worth 310 horsepower. Both powerplants on the 2012 GMC Savana Cargo van are channeled through a 4-speed automatic transmission. On the 2012 Savana 2500 and 3500 models of the cargo van, a host of three powerplants attached to a 6-speed automatic gearbox. Providing 280 and 323 horsepower, the 4.8 liter V-8 as well as a 6-liter V-8 represents the gasoline engines on the 2012 Savana Cargo van. Offering one of the only diesel engines in a full-sized cargo van, a 6.6 liter Duramax turbo-diesel engine operates with a maximum torque of 525 foot-pounds. Towing capacity for the 2012 GMC Savana Cargo van line-up ranges from 6,800 to 10,000 pounds.