2025 Thor Aria 3901 vs 2025 Entegra Aspire 44W

Detailed Comparison

Shopping for an RV and torn between the 2025 Thor Aria 3901 and the 2025 Entegra Aspire 44W? We've put together a detailed spec comparison to help you decide.

The Thor Aria 3901 measures 35.0 ft in length at 16,800 lbs, compared to the Entegra Aspire 44W's 35.0 ft and 22,600 lbs. GVWR ratings sit at 20,800 lbs and 25,900 lbs respectively.

Capacity-wise, expect to sleep 5 in the Thor Aria 3901 versus 6 in the Entegra Aspire 44W. With 1 and 4 slide-outs respectively, the parked floor plans differ significantly.

Tank capacities are a key off-grid consideration. The Thor Aria 3901 carries 91 gal of fresh water, 41 gal gray, and 37 gal black. The Entegra Aspire 44W offers 98 gal fresh, 62 gal gray, and 39 gal black. The Entegra Aspire 44W has the edge for extended dry camping.

Budget-wise, the Thor Aria 3901 is listed at $313,000 compared to $320,000 for the Entegra Aspire 44W.

For family camping trips, the larger floor plan and additional berths make a real difference. For boondocking, the model with superior solar and battery setup will keep you comfortable off the grid longer. If you're going full-time, the larger tanks and more robust build quality matter enormously.

No comparison can replace walking through each unit yourself. Visit a dealer and experience the layouts firsthand.