2021 Airstream Interstate Grand Tour EXT 3500

3,800 Miles | Like-New | Transferable 5-Year / 60,000-Mile Warranty | Fully Inspected & Serviced

This 2021 Airstream Interstate Grand Tour EXT 3500 represents the absolute pinnacle of luxury Class C motorhomesand this particular coach is as close to brand-new as the pre-owned market ever offers.

With only 3,800 original miles, it has been meticulously preserved since day one. It remains in mint, like-new condition and is still wearing the original factory floor protection, a rare indicator of just how lightly and carefully this vehicle has been used.

For complete buyer confidence, this coach underwent a comprehensive 51-point inspection performed by Airstream of Austin in January 2026, confirming its exceptional condition and mechanical integrity. In addition, all Mercedes-Benz scheduled service is fully up to date as of January 2026, with documentationmeaning this coach is truly turn-key and road-ready.

Adding even more peace of mind, the vehicle includes a bumper-to-bumper 5-year / 60,000-mile extended warranty that is fully transferable to the next owneran increasingly rare and valuable benefit.

From the moment you see it, the craftsmanship is unmistakable. The exterior is sleek, polished, and aerodynamic, showcasing Airstreams iconic aluminum design paired with the Mercedes-Benz Sprinter 3500 chassis. Chrome accents, flawless body panels, and premium engineering come together in a coach that is as capable as it is striking. On the road, it delivers effortless power, excellent stability, and a remarkably refined driving experience.

Inside, the quality is immediately apparent. The leather seating, cabinetry, and finishes feel virtually unused, with every surface protected and cared for since new. Airstreams premium entertainment system, high-end appliances, and intelligently engineered layout make this coach ideal for extended travel, weekend getaways, or executive-level touring.

The Grand Tour EXT floorplan offers expanded interior space and comfort while maintaining the drivability and maneuverability that define the Interstate lineup. Its luxury without compromise.

A new Interstate Grand Tour EXT now approaches $300,000, often without the certainty of real-world shakedown or added warranty value. This coach allows you to enjoy the same top-tier Airstream experience for roughly half the pricewhile still benefiting from a transferable bumper-to-bumper warranty, verified inspection, and fully current Mercedes-Benz service.

Finding a Grand Tour EXT with this mileage, this condition, verified inspections, up-to-date service, and warranty protection is exceptionally rare. This is a no-excuses, collector-grade Airstream for the buyer who wants the very bestwithout waiting, without uncertainty, and without paying new-coach pricing.