2025 Heartland Bighorn 3760EL vs 2025 Heartland Landmark 365 Chesapeake

Detailed Comparison

Head to head, the 2025 Heartland Bighorn 3760EL and the 2025 Heartland Landmark 365 Chesapeake each bring unique strengths to the table. Which one deserves a spot in your driveway?

In terms of footprint, the Heartland Bighorn 3760EL stretches 35.5 ft while the Heartland Landmark 365 Chesapeake spans 30.5 ft. Weight-wise, the Heartland Bighorn 3760EL is the lighter rig at 13,300 lbs versus 14,700 lbs.

For sleeping arrangements, the Heartland Bighorn 3760EL offers room for 8 and the Heartland Landmark 365 Chesapeake can handle 5.

Looking at self-sufficiency, the Heartland Bighorn 3760EL packs 96 gal of fresh water and 300W of solar. The Heartland Landmark 365 Chesapeake counters with 52 gal fresh water and 550W solar.

Price is often the deciding factor. The Heartland Landmark 365 Chesapeake starts at $107,000 MSRP, while the Heartland Bighorn 3760EL commands $123,000 — a $16,000 gap.

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.

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 2025 Heartland Bighorn 3760EL holds 96 gallons of fresh water compared to 52 gallons in the 2025 Heartland Landmark 365 Chesapeake, giving it a 44-gallon advantage for extended dry camping. Gray water capacity favors the 2025 Heartland Landmark 365 Chesapeake at 53 gallons versus 52 gallons, which directly affects how often you need to find a dump station. The 2025 Heartland Landmark 365 Chesapeake also leads in black water capacity with 37 gallons compared to 36 gallons, an important consideration for families or full-time travelers.

Electrical systems are increasingly important as RVers rely on more electronics and appliances. With 550W of solar, the 2025 Heartland Landmark 365 Chesapeake outpaces the 2025 Heartland Bighorn 3760EL's 300W setup, offering better energy independence away from hookups. Battery storage gives the edge to the 2025 Heartland Bighorn 3760EL with 300Ah versus 100Ah, translating to longer run times for lights, fans, and charging devices overnight. The 2025 Heartland Landmark 365 Chesapeake's 3000W 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 Heartland Landmark 365 Chesapeake with its more compact footprint will be easier to navigate through tight campgrounds and mountain passes. Families with children should lean toward the 2025 Heartland Bighorn 3760EL, which sleeps up to 8 and provides more flexibility for overnight guests. Full-time RVers who spend extended periods off-grid will benefit most from the 2025 Heartland Landmark 365 Chesapeake's power setup and the 2025 Heartland Bighorn 3760EL'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 Heartland Landmark 365 Chesapeake at $107,000 MSRP represents a $16,000 savings over the 2025 Heartland Bighorn 3760EL at $123,000, a 15% price difference. Breaking it down per sleeping position, the 2025 Heartland Bighorn 3760EL costs roughly $15,375 per berth while the 2025 Heartland Landmark 365 Chesapeake comes in at $21,400 per berth. On a cost-per-foot basis, the 2025 Heartland Bighorn 3760EL runs about $3,465 per linear foot versus $3,508 for the 2025 Heartland Landmark 365 Chesapeake, which helps contextualize the value each unit delivers for its size. Since both models come from Heartland, buyers can expect consistent build quality, a shared dealer network, and comparable warranty coverage, which simplifies the after-purchase ownership experience.