2024 Airstream Interstate 19 vs 2025 Airstream International 23CB

Two popular options on many shoppers' shortlists — the 2024 Airstream Interstate 19 and the 2025 Airstream International 23CB. Let's see how they compare across the specs that matter most.

Specifications Comparison

Specification2024 Airstream Interstate 192025 Airstream International 23CBAdvantage
CategoryClass BTravel Trailer—
Year202420252025 Airstream International 23CB
Length18 ft18 ft—
Width6.5 ft8.5 ft—
Height9 ft11 ft—
Dry Weight7,000 lbs8,200 lbs—
GVWR12,000 lbs11,000 lbs—
Sleeping Capacity33Tie
Fresh Water28 gal52 gal2025 Airstream International 23CB
Gray Water19 gal56 gal2025 Airstream International 23CB
Black Water14 gal21 gal2025 Airstream International 23CB
Fuel Capacity25 gal——
Horsepower188 hp——
EngineMercedes-Benz 3.0L V6 Turbo Diesel——
Slide-Outs02—
Solar250 W100 W2024 Airstream Interstate 19
Battery550 Ah——
Inverter2,000 W1,000 W2024 Airstream Interstate 19
MSRP$276,000$17,0002025 Airstream International 23CB

Detailed Comparison

Two popular options on many shoppers' shortlists — the 2024 Airstream Interstate 19 and the 2025 Airstream International 23CB. Let's see how they compare across the specs that matter most.

Dimensionally, you're looking at 18.0 ft for the Airstream Interstate 19 and 18.0 ft for the Airstream International 23CB. The Airstream International 23CB carries an extra 1,200 lbs, which affects tow vehicle requirements and fuel economy.

The Airstream Interstate 19 sleeps 3 while the Airstream International 23CB accommodates 3. Slide-outs play a role in livability: the Airstream Interstate 19 has 0 and the Airstream International 23CB has 2.

For boondocking enthusiasts, tank sizes matter. Fresh water capacity goes to the Airstream International 23CB at 52 gallons versus 28 gallons. Solar-wise, you get 250W on the Airstream Interstate 19 and 100W on the Airstream International 23CB. Battery banks are 550 Ah and N/A.

At $276,000 MSRP for the Airstream Interstate 19 and $17,000 for the Airstream International 23CB, the Airstream International 23CB saves you $259,000.

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.

Individual Overviews

2024 Airstream Interstate 19

  • Category: Class B
  • Length: 18 ft
  • Weight: 7,000 lbs
  • Sleeps: 3
  • MSRP: $276,000
View Full Specs

2025 Airstream International 23CB

  • Category: Travel Trailer
  • Length: 18 ft
  • Weight: 8,200 lbs
  • Sleeps: 3
  • MSRP: $17,000
View Full Specs