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
| Specification | 2024 Airstream Interstate 19 | 2025 Airstream International 23CB | Advantage |
|---|---|---|---|
| Category | Class B | Travel Trailer | — |
| Year | 2024 | 2025 | 2025 Airstream International 23CB |
| Length | 18 ft | 18 ft | — |
| Width | 6.5 ft | 8.5 ft | — |
| Height | 9 ft | 11 ft | — |
| Dry Weight | 7,000 lbs | 8,200 lbs | — |
| GVWR | 12,000 lbs | 11,000 lbs | — |
| Sleeping Capacity | 3 | 3 | Tie |
| Fresh Water | 28 gal | 52 gal | 2025 Airstream International 23CB |
| Gray Water | 19 gal | 56 gal | 2025 Airstream International 23CB |
| Black Water | 14 gal | 21 gal | 2025 Airstream International 23CB |
| Fuel Capacity | 25 gal | — | — |
| Horsepower | 188 hp | — | — |
| Engine | Mercedes-Benz 3.0L V6 Turbo Diesel | — | — |
| Slide-Outs | 0 | 2 | — |
| Solar | 250 W | 100 W | 2024 Airstream Interstate 19 |
| Battery | 550 Ah | — | — |
| Inverter | 2,000 W | 1,000 W | 2024 Airstream Interstate 19 |
| MSRP | $276,000 | $17,000 | 2025 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
2025 Airstream International 23CB
- Category: Travel Trailer
- Length: 18 ft
- Weight: 8,200 lbs
- Sleeps: 3
- MSRP: $17,000
