2025 Airstream Interstate 24GT vs 2025 Thor Tranquility 19L

Detailed Comparison

The 2025 Airstream Interstate 24GT goes up against the 2025 Thor Tranquility 19L in this detailed comparison. Each has distinct advantages worth considering.

Dimensionally, you're looking at 18.5 ft for the Airstream Interstate 24GT and 19.0 ft for the Thor Tranquility 19L. They're remarkably close in weight, both hovering around 8,250 lbs.

The Airstream Interstate 24GT sleeps 3 while the Thor Tranquility 19L accommodates 2.

For boondocking enthusiasts, tank sizes matter. Fresh water capacity goes to the Thor Tranquility 19L at 25 gallons versus 21 gallons. Solar-wise, you get 350W on the Airstream Interstate 24GT and 250W on the Thor Tranquility 19L. Battery banks are 450 Ah and 350 Ah.

At $226,000 MSRP for the Airstream Interstate 24GT and $220,000 for the Thor Tranquility 19L, the Thor Tranquility 19L saves you $6,000. With only a 3% price difference, the choice comes down to features rather than cost.

Couples will find the cozier layout perfectly adequate while enjoying easier maneuverability. Boondockers: look at the fresh water capacity and solar/battery systems — they determine how long you can stay out. If you're a weekend camper, don't over-buy — the smaller, lighter model may serve you perfectly.

Whichever you choose, you'll be getting a capable rig. Just make sure to inspect one in person before signing.