2024 Keystone Montana High Country 377FL vs 2025 Keystone Cougar 316RLS

Detailed Comparison

The 2024 Keystone Montana High Country 377FL goes up against the 2025 Keystone Cougar 316RLS in this detailed comparison. Each has distinct advantages worth considering.

The Keystone Montana High Country 377FL measures 34.0 ft in length at 8,800 lbs, compared to the Keystone Cougar 316RLS's 30.0 ft and 13,400 lbs. GVWR ratings sit at 12,100 lbs and 17,700 lbs respectively.

The Keystone Montana High Country 377FL sleeps 7 while the Keystone Cougar 316RLS accommodates 6. Slide-outs play a role in livability: the Keystone Montana High Country 377FL has 5 and the Keystone Cougar 316RLS has 1.

For boondocking enthusiasts, tank sizes matter. Fresh water capacity goes to the Keystone Cougar 316RLS at 81 gallons versus 63 gallons. Solar-wise, you get 400W on the Keystone Montana High Country 377FL and 600W on the Keystone Cougar 316RLS. Battery banks are 300 Ah and 250 Ah.

At $128,000 MSRP for the Keystone Montana High Country 377FL and $123,000 for the Keystone Cougar 316RLS, the Keystone Cougar 316RLS saves you $5,000. With only a 4% 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.

Take these specs as a starting point, then go see them in person — there's no substitute for stepping inside.