2025 Thor Aria 3901 vs 2024 Winnebago Minnie Winnie 25B

Detailed Comparison

The 2025 Thor Aria 3901 and 2024 Winnebago Minnie Winnie 25B might look similar on paper, but dig into the details and you'll find meaningful differences.

Dimensionally, you're looking at 35.0 ft for the Thor Aria 3901 and 30.0 ft for the Winnebago Minnie Winnie 25B. The Thor Aria 3901 carries an extra 6,300 lbs, which affects tow vehicle requirements and fuel economy.

For sleeping arrangements, the Thor Aria 3901 offers room for 5 and the Winnebago Minnie Winnie 25B can handle 8. The Winnebago Minnie Winnie 25B benefits from 3 slide-out(s), expanding the interior when parked.

Looking at self-sufficiency, the Thor Aria 3901 packs 91 gal of fresh water and 600W of solar. The Winnebago Minnie Winnie 25B counters with 46 gal fresh water and 250W solar.

Price is often the deciding factor. The Winnebago Minnie Winnie 25B starts at $250,000 MSRP, while the Thor Aria 3901 commands $313,000 — a $63,000 gap. That's a significant 25% premium you'll need to justify.

Families with kids will appreciate the extra sleeping capacity and living space. Off-grid campers should pay close attention to solar wattage, battery capacity, and tank sizes. Full-timers should prioritize tank capacity, storage, and overall living comfort.

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