Airstream Interstate 24GT Class B diesel motorhome Std. Model Highlights
- Built-In Workstation
- Power Rear Sofa
- Wet Bath
- Two LED HDTVs
- Air Ride Suspension
Luxury touring becomes easier to maneuver in the New 2026 Airstream Interstate 19, a compact Class B motorhome that delivers premium amenities in a versatile 19-foot footprint. Built on the Mercedes-Benz® Sprinter 2500 AWD chassis, the Interstate 19 measures 19 feet 5 inches long and is powered by a 2.0L high-output turbo-diesel four-cylinder engine producing 208 horsepower and 332 lb-ft of torque, paired with a 9G-TRONIC Plus automatic transmission. With a 9,050-pound GVWR, 13,930-pound GCWR, and towing capacity up to 5,000 pounds, this touring coach is equally suited for cross-country travel, weekend adventures, and everyday driving.
Inside, the Interstate 19 maximizes its compact dimensions with premium seating for up to four passengers and a rear lounge that transforms into a spacious 66"" x 72"" sleeping area for two. The galley includes a 3.2 cu. ft. 12V refrigerator/freezer, 1,000-watt induction cooktop, 0.7 cu. ft. microwave, solid-surface countertop, and stainless-steel sink, while a space-saving wet bath provides an onboard shower, toilet, sink, and articulated mirror. Ultraleather® seating, signature aluminum trim, premium cabinetry, an adjustable Lagun table, power shades, and smart interior controls create a refined environment for relaxing, dining, working, or spending the night on the road.
The 2026 Airstream Interstate 19 is also equipped with impressive off-grid capability, including 10.3 kWh of heated lithium battery capacity, 240 watts of solar, and a 3,000-watt pure sine wave inverter, with an available 17.2 kWh Advanced Power Plus battery upgrade. A 13,500 BTU soft-start air conditioner, Truma Combi Eco Plus heating and hot water system, heated fresh and gray tanks, and 20-gallon fresh water capacity support comfortable travel through changing conditions. Add Mercedes-Benz driver-assistance technology, FOX performance suspension, a 10-foot power awning, and standard AWD, and the Interstate 19 delivers an impressive combination of luxury, maneuverability, and long-distance capability.
Reasons to Buy
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Compact 19' 5"" footprint makes parking, maneuvering, and exploring tighter destinations easier than with a larger motorhome
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Mercedes-Benz Sprinter 2500 AWD chassis provides premium road manners and added confidence in changing driving conditions
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208 HP turbo-diesel engine and up to 5,000 pounds of towing capacity provide impressive capability for a compact Class B
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Power rear lounge converts into a spacious 66"" x 72"" sleeping area, while belted seating accommodates up to four travelers
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3.2 cu. ft. refrigerator, induction cooktop, microwave, wet bath, and premium cabinetry provide essential RV amenities without sacrificing valuable interior space
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Standard 10.3 kWh heated lithium batteries, 240W solar, and 3,000W inverter deliver substantial electrical capability away from hookups
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Soft-start A/C, Truma Combi heating, heated tanks, FOX suspension, power awning, and advanced Mercedes-Benz technology make the Interstate 19 a highly versatile luxury touring coach
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