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

Specification2025 Keystone Cougar 354FLS2024 Highland Ridge Mesa Ridge 376FBHAdvantage
CategoryFifth WheelFifth Wheel
Year202520242025 Keystone Cougar 354FLS
Length34 ft41 ft
Width8.5 ft8 ft
Height13 ft12.5 ft
Dry Weight14,200 lbs15,300 lbs
GVWR17,100 lbs18,300 lbs
Sleeping Capacity692024 Highland Ridge Mesa Ridge 376FBH
Fresh Water100 gal97 gal2025 Keystone Cougar 354FLS
Gray Water45 gal74 gal2024 Highland Ridge Mesa Ridge 376FBH
Black Water46 gal39 gal2025 Keystone Cougar 354FLS
Fuel Capacity
Horsepower
Engine
Slide-Outs422025 Keystone Cougar 354FLS
Solar200 W200 WTie
Battery150 Ah400 Ah2024 Highland Ridge Mesa Ridge 376FBH
Inverter3,000 W1,000 W2025 Keystone Cougar 354FLS
MSRP$68,000$70,0002025 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
View Full Specs

2024 Highland Ridge Mesa Ridge 376FBH

  • Category: Fifth Wheel
  • Length: 41 ft
  • Weight: 15,300 lbs
  • Sleeps: 9
  • MSRP: $70,000
View Full Specs