2024 Host Mammoth 12.0 vs 2025 Host Yukon 11.6

Detailed Comparison

The 2024 Host Mammoth 12.0 goes up against the 2025 Host Yukon 11.6 in this detailed comparison. Each has distinct advantages worth considering.

The Host Mammoth 12.0 measures 11.5 ft in length at 2,600 lbs, compared to the Host Yukon 11.6's 12.0 ft and 4,100 lbs. GVWR ratings sit at 5,700 lbs and 7,900 lbs respectively.

The Host Mammoth 12.0 sleeps 5 while the Host Yukon 11.6 accommodates 2.

For boondocking enthusiasts, tank sizes matter. Fresh water capacity goes to the Host Yukon 11.6 at 31 gallons versus 22 gallons. Solar-wise, you get 150W on the Host Mammoth 12.0 and 50W on the Host Yukon 11.6. Battery banks are 50 Ah and 200 Ah.

At $44,000 MSRP for the Host Mammoth 12.0 and $53,000 for the Host Yukon 11.6, the Host Mammoth 12.0 saves you $9,000.

If you're a weekend camper, don't over-buy — the smaller, lighter model may serve you perfectly. Solo adventurers should consider the model that's easiest to manage single-handedly.

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 2025 Host Yukon 11.6 carries 31 gallons of fresh water versus 22 gallons in the 2024 Host Mammoth 12.0, providing an extra 9 gallons for longer boondocking stays. Gray water capacity favors the 2025 Host Yukon 11.6 at 26 gallons versus 8 gallons, which directly affects how often you need to find a dump station. The 2025 Host Yukon 11.6 also leads in black water capacity with 20 gallons compared to 11 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 Host Mammoth 12.0 comes equipped with 150W of factory solar compared to 50W on the 2025 Host Yukon 11.6, a meaningful difference for off-grid energy harvesting. Battery storage gives the edge to the 2025 Host Yukon 11.6 with 200Ah versus 50Ah, translating to longer run times for lights, fans, and charging devices overnight. The 2025 Host Yukon 11.6'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 2024 Host Mammoth 12.0 with its more compact footprint will be easier to navigate through tight campgrounds and mountain passes. Families with children should lean toward the 2024 Host Mammoth 12.0, which sleeps up to 5 and provides more flexibility for overnight guests. Full-time RVers who spend extended periods off-grid will benefit most from the 2024 Host Mammoth 12.0's power setup and the 2025 Host Yukon 11.6'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 Host Mammoth 12.0 at $44,000 MSRP represents a $9,000 savings over the 2025 Host Yukon 11.6 at $53,000, a 20% price difference. Breaking it down per sleeping position, the 2024 Host Mammoth 12.0 costs roughly $8,800 per berth while the 2025 Host Yukon 11.6 comes in at $26,500 per berth. On a cost-per-foot basis, the 2024 Host Mammoth 12.0 runs about $3,826 per linear foot versus $4,417 for the 2025 Host Yukon 11.6, which helps contextualize the value each unit delivers for its size. Since both models come from Host, buyers can expect consistent build quality, a shared dealer network, and comparable warranty coverage, which simplifies the after-purchase ownership experience.