2025 Keystone Cougar 354FLS vs 2024 Highland Ridge Mesa Ridge 376FBH
Both the 2025 Keystone Cougar 354FLS and the 2024 Highland Ridge Mesa Ridge 376FBH have loyal followings, and for good reason. Here's an objective look at how they measure up.
Specifications Comparison
| Specification | 2025 Keystone Cougar 354FLS | 2024 Highland Ridge Mesa Ridge 376FBH | Advantage |
|---|---|---|---|
| Category | Fifth Wheel | Fifth Wheel | — |
| Year | 2025 | 2024 | 2025 Keystone Cougar 354FLS |
| Length | 34 ft | 41 ft | — |
| Width | 8.5 ft | 8 ft | — |
| Height | 13 ft | 12.5 ft | — |
| Dry Weight | 14,200 lbs | 15,300 lbs | — |
| GVWR | 17,100 lbs | 18,300 lbs | — |
| Sleeping Capacity | 6 | 9 | 2024 Highland Ridge Mesa Ridge 376FBH |
| Fresh Water | 100 gal | 97 gal | 2025 Keystone Cougar 354FLS |
| Gray Water | 45 gal | 74 gal | 2024 Highland Ridge Mesa Ridge 376FBH |
| Black Water | 46 gal | 39 gal | 2025 Keystone Cougar 354FLS |
| Fuel Capacity | — | — | — |
| Horsepower | — | — | — |
| Engine | — | — | — |
| Slide-Outs | 4 | 2 | 2025 Keystone Cougar 354FLS |
| Solar | 200 W | 200 W | Tie |
| Battery | 150 Ah | 400 Ah | 2024 Highland Ridge Mesa Ridge 376FBH |
| Inverter | 3,000 W | 1,000 W | 2025 Keystone Cougar 354FLS |
| MSRP | $68,000 | $70,000 | 2025 Keystone Cougar 354FLS |
Detailed Comparison
Both the 2025 Keystone Cougar 354FLS and the 2024 Highland Ridge Mesa Ridge 376FBH have loyal followings, and for good reason. Here's an objective look at how they measure up.
Starting with size, the Keystone Cougar 354FLS measures 34.0 ft long and tips the scales at 14,200 lbs dry weight. The Highland Ridge Mesa Ridge 376FBH comes in at 41.0 ft with a dry weight of 15,300 lbs. That gives the Highland Ridge Mesa Ridge 376FBH roughly 7.0 extra feet of length.
The Keystone Cougar 354FLS sleeps 6 while the Highland Ridge Mesa Ridge 376FBH accommodates 9. Slide-outs play a role in livability: the Keystone Cougar 354FLS has 4 and the Highland Ridge Mesa Ridge 376FBH has 2.
For boondocking enthusiasts, tank sizes matter. Fresh water capacity goes to the Keystone Cougar 354FLS at 100 gallons versus 97 gallons. Solar-wise, you get 200W on the Keystone Cougar 354FLS and 200W on the Highland Ridge Mesa Ridge 376FBH. Battery banks are 150 Ah and 400 Ah.
At $68,000 MSRP for the Keystone Cougar 354FLS and $70,000 for the Highland Ridge Mesa Ridge 376FBH, the Keystone Cougar 354FLS saves you $2,000. With only a 3% 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.
Ultimately, both rigs have their merits — test drive each one and see which floor plan speaks to your lifestyle.
Individual Overviews
2025 Keystone Cougar 354FLS
- Category: Fifth Wheel
- Length: 34 ft
- Weight: 14,200 lbs
- Sleeps: 6
- MSRP: $68,000
2024 Highland Ridge Mesa Ridge 376FBH
- Category: Fifth Wheel
- Length: 41 ft
- Weight: 15,300 lbs
- Sleeps: 9
- MSRP: $70,000