New 2026 Airstream Interstate 19GT Advanced Power Package Motor Home Class B - Diesel

The Colton RV & Marine Advantage

No Hidden Fees RV and Boat Pricing:

The Colton RV & Marine Advantage (What Others Don’t Tell You).

Buying an RV or boat should feel exciting — not confusing. That’s why we created No Hidden Fees RV and Boat Pricing, part of the Colton Advantage.

Too often, shoppers fall in love with a unit online, only to be hit later with surprise fees like freight (getting the RV or boat to the dealership) or prep (the cost to clean, inspect, and ready the unit for you). These extra charges can add $1,000 to $10,000 to your total — and most dealers don’t mention them until it’s time to sign.

At Colton RV & Marine, we don’t believe in that. That’s why we created Colton Advantage Pricing — our commitment to transparent, all-inclusive pricing that respects your time and your budget.

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.