The Savana 3500 passenger and cargo vans are available with a 135-inch or a 155-inch wheelbase. There are four available engines for the Savana 3500 lineup: a 280-hp Vortec 4.8-liter FlexFuel V8, a 324-hp Vortec 6.0-liter FlexFuel V8, a 279-hp Vortec 6.0-liter natural gas V8 on the regular length cargo van only and a 525 lb.-ft. of torque Duramax diesel 6.6-liter V8. All of the engines are teamed with a fuel efficient six-speed automatic transmission. The Savana 3500 passenger vans are available in an LS or an LT trim, and the regular length version can accommodate up to 12 passengers while the extended length version can accommodate up to 15 passengers and both models offer several convenient options. The Savana 3500 cargo vans are available in a Work Van and in a Diesel trim and provide an excellent base for a multi-purpose utility vehicle that can be equipped to suit your comfort needs, or modified for your workplace requirements. Safety features include four-wheel anti-lock disc brakes, StabiliTrak, and front airbags with a side curtain airbag on the passenger vans. For 2013, the Savana 3500 offers new options. These include an AM/FM navigation radio with CD and MP3 compatibility, a rear vision camera and a rear park assist.