2019 Roadtrek Zion Ram Promaster, Chassis & Engine Chassis: Ram ProMaster (2500 or 3500) Engine: 3.6L Pentastar V6 Horsepower: 280 hp Transmission: 6-speed automatic Fuel type: Gasoline Fuel capacity: 24 gallons Drivetrain: Front-wheel drive (4x2) Dimensions Zion (Base / Extended) Length: 20 ft 9 in Zion SRT (shorter version) Length: 19 ft 7 in General dimensions Width: ~6 ft 11 in Exterior height: ~9 ft 5 in Interior height: 74 in (6 ft 2 in) Weight & Capacity GVWR: ~8,900 9,350 lbs Towing capacity: ~2,000 lbs Payload: ~1,250 lbs Living & Interior Sleeping capacity: Up to 3 people Beds: Rear power sofa converts to twin or king Bathroom: Wet bath (toilet + shower) Kitchen: 2-burner stove Microwave Refrigerator (electric/propane) Tank Capacities Fresh water: ~35 gallons Gray water: ~22.8 gallons Black water: ~9.6 gallons Propane: ~5.9 gallons Climate Systems Air conditioning: 11,000 BTU Furnace: 16,000 BTU Key Features (typical) Power awning (~12 ft) On-demand hot water system TV + entertainment system Optional solar & lithium battery (EcoTrek) Swivel front seats + rear lounge/bed Backup camera & safety features