2024 Keystone Alpine 3600FL vs 2025 Heartland Bighorn 3560EL

Detailed Comparison

If you're weighing the 2024 Keystone Alpine 3600FL against the 2025 Heartland Bighorn 3560EL, you're looking at two solid contenders. Here's how they stack up.

Dimensionally, you're looking at 39.0 ft for the Keystone Alpine 3600FL and 31.5 ft for the Heartland Bighorn 3560EL. The Heartland Bighorn 3560EL carries an extra 4,400 lbs, which affects tow vehicle requirements and fuel economy.

The Keystone Alpine 3600FL sleeps 7 while the Heartland Bighorn 3560EL accommodates 4. Slide-outs play a role in livability: the Keystone Alpine 3600FL has 1 and the Heartland Bighorn 3560EL has 3.

For boondocking enthusiasts, tank sizes matter. Fresh water capacity goes to the Keystone Alpine 3600FL at 96 gallons versus 72 gallons. Solar-wise, you get 450W on the Keystone Alpine 3600FL and 200W on the Heartland Bighorn 3560EL. Battery banks are 200 Ah and 200 Ah.

At $129,000 MSRP for the Keystone Alpine 3600FL and $129,000 for the Heartland Bighorn 3560EL, the Heartland Bighorn 3560EL saves you $0. With only a 0% 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.

Whichever you choose, you'll be getting a capable rig. Just make sure to inspect one in person before signing.