2024 Winnebago Solis 59PX vs 2025 Thor Tranquility 19L

Detailed Comparison

Comparing the 2024 Winnebago Solis 59PX to the 2025 Thor Tranquility 19L reveals some interesting trade-offs that could influence your buying decision.

The Winnebago Solis 59PX measures 18.5 ft in length at 11,400 lbs, compared to the Thor Tranquility 19L's 19.0 ft and 8,400 lbs. GVWR ratings sit at 15,600 lbs and 11,200 lbs respectively.

Capacity-wise, expect to sleep 3 in the Winnebago Solis 59PX versus 2 in the Thor Tranquility 19L.

Tank capacities are a key off-grid consideration. The Winnebago Solis 59PX carries 34 gal of fresh water, 18 gal gray, and 18 gal black. The Thor Tranquility 19L offers 25 gal fresh, 13 gal gray, and 14 gal black. The Winnebago Solis 59PX has the edge for extended dry camping.

Budget-wise, the Thor Tranquility 19L is listed at $220,000 compared to $232,000 for the Winnebago Solis 59PX.

For two travelers seeking comfort without excess, the smaller footprint often wins. 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.

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

When it comes to water management, tank capacity plays a major role in how long you can stay off the grid. The 2024 Winnebago Solis 59PX holds 34 gallons of fresh water compared to 25 gallons in the 2025 Thor Tranquility 19L, giving it a 9-gallon advantage for extended dry camping. Gray water capacity favors the 2024 Winnebago Solis 59PX at 18 gallons versus 13 gallons, which directly affects how often you need to find a dump station. The 2024 Winnebago Solis 59PX also leads in black water capacity with 18 gallons compared to 14 gallons, an important consideration for families or full-time travelers.

Electrical systems are increasingly important as RVers rely on more electronics and appliances. The 2024 Winnebago Solis 59PX comes equipped with 400W of factory solar compared to 250W on the 2025 Thor Tranquility 19L, a meaningful difference for off-grid energy harvesting. Battery storage gives the edge to the 2024 Winnebago Solis 59PX with 600Ah versus 350Ah, translating to longer run times for lights, fans, and charging devices overnight. Both come with 1000W inverters, capable of running common household appliances when not plugged into shore power.

For solo travelers and couples who value maneuverability, the 2024 Winnebago Solis 59PX with its more compact footprint will be easier to navigate through tight campgrounds and mountain passes. Families with children should lean toward the 2024 Winnebago Solis 59PX, which sleeps up to 3 and provides more flexibility for overnight guests. Full-time RVers who spend extended periods off-grid will benefit most from the 2024 Winnebago Solis 59PX's power setup and the 2024 Winnebago Solis 59PX's water reserves, as these directly impact daily comfort and independence from hookups. Weekend warriors and seasonal campers who primarily stay at full-hookup campgrounds may find that the differences in tank sizes and power systems matter less, allowing them to focus on floor plan preference and overall comfort instead.

From a value perspective, the 2025 Thor Tranquility 19L at $220,000 MSRP represents a $12,000 savings over the 2024 Winnebago Solis 59PX at $232,000, a 5% price difference. Breaking it down per sleeping position, the 2024 Winnebago Solis 59PX costs roughly $77,333 per berth while the 2025 Thor Tranquility 19L comes in at $110,000 per berth. On a cost-per-foot basis, the 2024 Winnebago Solis 59PX runs about $12,541 per linear foot versus $11,579 for the 2025 Thor Tranquility 19L, which helps contextualize the value each unit delivers for its size. It is also worth considering that Winnebago and Thor have different dealer networks and warranty programs, which can significantly impact your long-term ownership experience and resale value down the road.