2025 Heartland Bighorn 3375SS vs 2025 Heartland Landmark 365 Chesapeake

Detailed Comparison

If you're weighing the 2025 Heartland Bighorn 3375SS against the 2025 Heartland Landmark 365 Chesapeake, you're looking at two solid contenders. Here's how they stack up.

Starting with size, the Heartland Bighorn 3375SS measures 31.5 ft long and tips the scales at 12,100 lbs dry weight. The Heartland Landmark 365 Chesapeake comes in at 30.5 ft with a dry weight of 14,700 lbs.

The Heartland Bighorn 3375SS sleeps 7 while the Heartland Landmark 365 Chesapeake accommodates 5. Slide-outs play a role in livability: the Heartland Bighorn 3375SS has 4 and the Heartland Landmark 365 Chesapeake has 4.

For boondocking enthusiasts, tank sizes matter. Fresh water capacity goes to the Heartland Bighorn 3375SS at 97 gallons versus 52 gallons. Solar-wise, you get 150W on the Heartland Bighorn 3375SS and 550W on the Heartland Landmark 365 Chesapeake. Battery banks are 300 Ah and 100 Ah.

At $120,000 MSRP for the Heartland Bighorn 3375SS and $107,000 for the Heartland Landmark 365 Chesapeake, the Heartland Landmark 365 Chesapeake saves you $13,000. With only a 12% price difference, the choice comes down to features rather than cost.

If you're traveling with a family, look for the model with more sleeping positions and better storage. Boondockers: look at the fresh water capacity and solar/battery systems — they determine how long you can stay out. For the full-time RV lifestyle, every gallon of tank capacity and every inch of counter space counts.

The numbers tell one story, but the feel of a floor plan is personal. Schedule a walkthrough before you decide.