2026 Airstream Interstate 19GT Advanced Power Package, Airstream Interstate 19GT - Advanced Power Package - Class B Diesel Touring Coach highlights: The 2026 Airstream Interstate 19GT is a premium 19-foot Class B motorhome built on a Mercedes-Benz Sprinter chassis, featuring the upgraded Advanced Power System for extended off-grid capability. It includes luxurious finishes and a rear power sofa that converts into a large bed. Key Specifications & Performance
Chassis: Mercedes-Benz Sprinter 2500, powered by a dependable turbo-diesel engine.
Length: 19 feet 5 inches compact enough to fit in a standard parking space.
Sleeping Capacity: Sleeps up to 2 people with the rear convertible power sofa.
Advanced Power (AP): Eliminates the need for a noisy onboard propane generator, utilizing a high-capacity lithium-ion battery system for extended off-grid boondocking.