01/16/2026
The 2026 Ethos 20E is a Class B gas motorhome built on the RAM ProMaster 3500 chassis with a 3.6 L V6 gasoline engine producing about 276 hp and 250 lb-ft of torque. It’s designed for easy driving both on highways and in tighter spaces while offering many comforts of home. 
📏 Dimensions & Capacity
• Length: ~20 ft 11 in (approx. 20.9 ft) 
• Width: ~6 ft 11 in 
• Height: ~9 ft 3 in 
• Interior Height: ~6 ft 2 in 
• GVWR: ~9,350 lbs 
• Fresh Water: ~21 gallons 
• Grey Water: ~20 gallons 
• Black Water: ~10 gallons 
• Fuel Capacity: ~24 gallons 
🛋️ Interior & Layout
• Sleeping for 2: Murphy bed (59 in × 73 in) that folds away to maximize living space. 
• Wet Bath: Full bathroom with shower and toilet. 
• Kitchen: Equipped with a 2-burner gas cooktop, convection microwave, stainless steel sink and a 3 cu ft DC refrigerator — functional for everyday cooking. 
• Seating: Bench seat in living area; optional workstation instead of the bench. 
• Storage: Under-floor storage with pull-out trays and overhead cabinets. 
⚙️ Features & Technology
• Infotainment: Uconnect® 5 NAV with Apple CarPlay® & Android Auto™. 
• Firefly Multiplex System: Central coach control panel for systems. 
• E-Z Drive™: Premium suspension & helper springs for smoother ride. 
• Climate: Truma Combi Eco Plus water heater & furnace; 13,500 BTU air conditioner. 
• Generator/Inverter: 2,800 W gas generator standard; 1,000 W inverter included. 
• Awning: 13′ Thule armless patio awning with LED lighting. 
• Safety Aids: Factory safety tech includes backup camera, blind-spot monitoring, lane assist, and more (detailed on Entegra site).
