2024 Keystone Cougar 311RES vs 2025 Keystone Alpine 3220RL

Detailed Comparison

Before committing to the 2024 Keystone Cougar 311RES or the 2025 Keystone Alpine 3220RL, it pays to understand exactly where each one shines and where it falls short.

The Keystone Cougar 311RES measures 34.0 ft in length at 11,300 lbs, compared to the Keystone Alpine 3220RL's 31.0 ft and 12,900 lbs. GVWR ratings sit at 15,700 lbs and 15,200 lbs respectively.

The Keystone Cougar 311RES sleeps 8 while the Keystone Alpine 3220RL accommodates 7. Slide-outs play a role in livability: the Keystone Cougar 311RES has 2 and the Keystone Alpine 3220RL has 5.

For boondocking enthusiasts, tank sizes matter. Fresh water capacity goes to the Keystone Cougar 311RES at 92 gallons versus 83 gallons. Solar-wise, you get 450W on the Keystone Cougar 311RES and 500W on the Keystone Alpine 3220RL. Battery banks are 150 Ah and 400 Ah.

At $143,000 MSRP for the Keystone Cougar 311RES and $146,000 for the Keystone Alpine 3220RL, the Keystone Cougar 311RES saves you $3,000. With only a 2% 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.