2024 Thor Sequence 20L vs 2025 Leisure Wonder RTB

Detailed Comparison

When it comes to the 2024 Thor Sequence 20L versus the 2025 Leisure Wonder RTB, the right choice depends on your travel style and priorities.

In terms of footprint, the Thor Sequence 20L stretches 20.0 ft while the Leisure Wonder RTB spans 17.5 ft. Weight-wise, the Leisure Wonder RTB is the lighter rig at 7,100 lbs versus 11,200 lbs.

For sleeping arrangements, the Thor Sequence 20L offers room for 2 and the Leisure Wonder RTB can handle 4.

Looking at self-sufficiency, the Thor Sequence 20L packs 34 gal of fresh water and 300W of solar. The Leisure Wonder RTB counters with 33 gal fresh water and 300W solar.

Price is often the deciding factor. The Thor Sequence 20L starts at $187,000 MSRP, while the Leisure Wonder RTB commands $189,000 — a $2,000 gap.

Off-grid campers should pay close attention to solar wattage, battery capacity, and tank sizes. Weekend warriors will appreciate the easier towing and quicker setup of the lighter model. Solo travelers benefit from the compact footprint and lower operating costs of the smaller unit.

Both options have earned their place in the market. Your trip style and budget should be the final tiebreakers.

When it comes to water management, tank capacity plays a major role in how long you can stay off the grid. The 2024 Thor Sequence 20L holds 34 gallons of fresh water compared to 33 gallons in the 2025 Leisure Wonder RTB, giving it a 1-gallon advantage for extended dry camping. Gray water capacity favors the 2024 Thor Sequence 20L at 19 gallons versus 18 gallons, which directly affects how often you need to find a dump station. The 2024 Thor Sequence 20L also leads in black water capacity with 15 gallons compared to 10 gallons, an important consideration for families or full-time travelers.

Electrical systems are increasingly important as RVers rely on more electronics and appliances. Both units arrive with 300W of solar capacity, providing a solid foundation for off-grid power generation. Battery storage gives the edge to the 2024 Thor Sequence 20L with 450Ah versus 350Ah, translating to longer run times for lights, fans, and charging devices overnight. The 2024 Thor Sequence 20L's 1500W inverter can handle heavier loads than the 1000W inverter in the other unit, which matters if you plan to run a microwave, coffee maker, or hair dryer without shore power.

For solo travelers and couples who value maneuverability, the 2025 Leisure Wonder RTB with its more compact footprint will be easier to navigate through tight campgrounds and mountain passes. Families with children should lean toward the 2025 Leisure Wonder RTB, which sleeps up to 4 and provides more flexibility for overnight guests. Full-time RVers who spend extended periods off-grid will benefit most from the 2024 Thor Sequence 20L's power setup and the 2024 Thor Sequence 20L'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 2024 Thor Sequence 20L at $187,000 MSRP represents a $2,000 savings over the 2025 Leisure Wonder RTB at $189,000, a 1% price difference. Breaking it down per sleeping position, the 2024 Thor Sequence 20L costs roughly $93,500 per berth while the 2025 Leisure Wonder RTB comes in at $47,250 per berth. On a cost-per-foot basis, the 2024 Thor Sequence 20L runs about $9,350 per linear foot versus $10,800 for the 2025 Leisure Wonder RTB, which helps contextualize the value each unit delivers for its size. It is also worth considering that Thor and Leisure have different dealer networks and warranty programs, which can significantly impact your long-term ownership experience and resale value down the road.