The longer version comes in to floorpans, the GL (Grand Lounge) which has 2 additional captains chairs up front allowing for up to 9 passengers in the GL 2WD model while the 4WD & AWD drive models have a limit of 7 passengers. The GT (Grand Touring) model offers the same options as the GL except it does not have the 2 additional captains chairs and has more storage.
The vans offer a fold down bed in the back for 2 but you could easily sleep a younger child with you. There are different options available, one with propane and a generator and the other called the E1 package which has a Volta power system with the current version having up to a 12Kwh battery for all electric appliances and a Timberline 2.0 heating system that runs on the vehicles diesel fuel.
The newer models include an automation system that uses a Firefly system for controlling the vehicles camper options and monitoring the fresh, grey, and black tanks.