2024 Keystone Montana High Country 377FL vs 2025 Heartland Bighorn 3560EL

Detailed Comparison

The 2024 Keystone Montana High Country 377FL and 2025 Heartland Bighorn 3560EL might look similar on paper, but dig into the details and you'll find meaningful differences.

Starting with size, the Keystone Montana High Country 377FL measures 34.0 ft long and tips the scales at 8,800 lbs dry weight. The Heartland Bighorn 3560EL comes in at 31.5 ft with a dry weight of 14,400 lbs. That gives the Keystone Montana High Country 377FL roughly 2.5 extra feet of length.

For sleeping arrangements, the Keystone Montana High Country 377FL offers room for 7 and the Heartland Bighorn 3560EL can handle 4. The Keystone Montana High Country 377FL benefits from 5 slide-out(s), expanding the interior when parked.

Looking at self-sufficiency, the Keystone Montana High Country 377FL packs 63 gal of fresh water and 400W of solar. The Heartland Bighorn 3560EL counters with 72 gal fresh water and 200W solar.

Price is often the deciding factor. The Keystone Montana High Country 377FL starts at $128,000 MSRP, while the Heartland Bighorn 3560EL commands $129,000 — a $1,000 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.

Ultimately, both rigs have their merits — test drive each one and see which floor plan speaks to your lifestyle.