2025 Airstream Interstate 24GL vs 2024 Roadtrek Zion SRT
Shopping for an RV and torn between the 2025 Airstream Interstate 24GL and the 2024 Roadtrek Zion SRT? We've put together a detailed spec comparison to help you decide.
Specifications Comparison
| Specification | 2025 Airstream Interstate 24GL | 2024 Roadtrek Zion SRT | Advantage |
|---|---|---|---|
| Category | Class B | Class B | — |
| Year | 2025 | 2024 | 2025 Airstream Interstate 24GL |
| Length | 22 ft | 21 ft | — |
| Width | 6.5 ft | 7.5 ft | — |
| Height | 9.5 ft | 10 ft | — |
| Dry Weight | 11,000 lbs | 10,200 lbs | — |
| GVWR | 13,500 lbs | 15,000 lbs | — |
| Sleeping Capacity | 2 | 4 | 2024 Roadtrek Zion SRT |
| Fresh Water | 34 gal | 26 gal | 2025 Airstream Interstate 24GL |
| Gray Water | 21 gal | 30 gal | 2024 Roadtrek Zion SRT |
| Black Water | 19 gal | 17 gal | 2025 Airstream Interstate 24GL |
| Fuel Capacity | 26 gal | 28 gal | 2024 Roadtrek Zion SRT |
| Horsepower | 188 hp | 188 hp | Tie |
| Engine | Mercedes-Benz 3.0L V6 Turbo Diesel | Mercedes-Benz 3.0L V6 Turbo Diesel | — |
| Slide-Outs | 0 | 0 | — |
| Solar | 250 W | 400 W | 2024 Roadtrek Zion SRT |
| Battery | 500 Ah | 550 Ah | 2024 Roadtrek Zion SRT |
| Inverter | 2,000 W | 2,500 W | 2024 Roadtrek Zion SRT |
| MSRP | $128,000 | $130,000 | 2025 Airstream Interstate 24GL |
Detailed Comparison
Shopping for an RV and torn between the 2025 Airstream Interstate 24GL and the 2024 Roadtrek Zion SRT? We've put together a detailed spec comparison to help you decide.
Starting with size, the Airstream Interstate 24GL measures 22.0 ft long and tips the scales at 11,000 lbs dry weight. The Roadtrek Zion SRT comes in at 21.0 ft with a dry weight of 10,200 lbs.
Capacity-wise, expect to sleep 2 in the Airstream Interstate 24GL versus 4 in the Roadtrek Zion SRT.
Tank capacities are a key off-grid consideration. The Airstream Interstate 24GL carries 34 gal of fresh water, 21 gal gray, and 19 gal black. The Roadtrek Zion SRT offers 26 gal fresh, 30 gal gray, and 17 gal black. The Airstream Interstate 24GL has the edge for extended dry camping.
Budget-wise, the Airstream Interstate 24GL is listed at $128,000 compared to $130,000 for the Roadtrek Zion SRT.
For boondocking, the model with superior solar and battery setup will keep you comfortable off the grid longer. For occasional getaways, the more affordable and nimble option usually makes the most sense. If you're hitting the road alone, ease of driving and parking often outweigh sheer size.
The numbers tell one story, but the feel of a floor plan is personal. Schedule a walkthrough before you decide.
Individual Overviews
2025 Airstream Interstate 24GL
- Category: Class B
- Length: 22 ft
- Weight: 11,000 lbs
- Sleeps: 2
- MSRP: $128,000
2024 Roadtrek Zion SRT
- Category: Class B
- Length: 21 ft
- Weight: 10,200 lbs
- Sleeps: 4
- MSRP: $130,000