2025 Keystone Cougar 354FLS vs 2024 Forest River Cardinal Luxury 370FLX

Detailed Comparison

If you're weighing the 2025 Keystone Cougar 354FLS against the 2024 Forest River Cardinal Luxury 370FLX, you're looking at two solid contenders. Here's how they stack up.

The Keystone Cougar 354FLS measures 34.0 ft in length at 14,200 lbs, compared to the Forest River Cardinal Luxury 370FLX's 36.5 ft and 8,500 lbs. GVWR ratings sit at 17,100 lbs and 12,900 lbs respectively.

The Keystone Cougar 354FLS sleeps 6 while the Forest River Cardinal Luxury 370FLX accommodates 10. Slide-outs play a role in livability: the Keystone Cougar 354FLS has 4 and the Forest River Cardinal Luxury 370FLX has 2.

For boondocking enthusiasts, tank sizes matter. Fresh water capacity goes to the Keystone Cougar 354FLS at 100 gallons versus 76 gallons. Solar-wise, you get 200W on the Keystone Cougar 354FLS and 300W on the Forest River Cardinal Luxury 370FLX. Battery banks are 150 Ah and 150 Ah.

At $68,000 MSRP for the Keystone Cougar 354FLS and $68,000 for the Forest River Cardinal Luxury 370FLX, the Forest River Cardinal Luxury 370FLX 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.

No comparison can replace walking through each unit yourself. Visit a dealer and experience the layouts firsthand.