2024 Forest River Cardinal 345RLX vs 2025 Dutchmen Yukon 421FL

Two noteworthy RVs face off: the 2024 Forest River Cardinal 345RLX and the 2025 Dutchmen Yukon 421FL. From dimensions to amenities, here's the full breakdown.

Specifications Comparison

Specification2024 Forest River Cardinal 345RLX2025 Dutchmen Yukon 421FLAdvantage
CategoryFifth WheelFifth Wheel
Year202420252025 Dutchmen Yukon 421FL
Length37 ft40 ft
Width8 ft8 ft
Height13.5 ft13.5 ft
Dry Weight12,600 lbs15,200 lbs
GVWR16,000 lbs18,800 lbs
Sleeping Capacity66Tie
Fresh Water60 gal82 gal2025 Dutchmen Yukon 421FL
Gray Water74 gal47 gal2024 Forest River Cardinal 345RLX
Black Water40 gal40 galTie
Fuel Capacity
Horsepower
Engine
Slide-Outs232025 Dutchmen Yukon 421FL
Solar200 W250 W2025 Dutchmen Yukon 421FL
Battery350 Ah100 Ah2024 Forest River Cardinal 345RLX
Inverter1,000 W2,500 W2025 Dutchmen Yukon 421FL
MSRP$135,000$134,0002025 Dutchmen Yukon 421FL

Detailed Comparison

Two noteworthy RVs face off: the 2024 Forest River Cardinal 345RLX and the 2025 Dutchmen Yukon 421FL. From dimensions to amenities, here's the full breakdown.

In terms of footprint, the Forest River Cardinal 345RLX stretches 37.0 ft while the Dutchmen Yukon 421FL spans 40.0 ft. Weight-wise, the Forest River Cardinal 345RLX is the lighter rig at 12,600 lbs versus 15,200 lbs.

Capacity-wise, expect to sleep 6 in the Forest River Cardinal 345RLX versus 6 in the Dutchmen Yukon 421FL. With 2 and 3 slide-outs respectively, the parked floor plans differ significantly.

Tank capacities are a key off-grid consideration. The Forest River Cardinal 345RLX carries 60 gal of fresh water, 74 gal gray, and 40 gal black. The Dutchmen Yukon 421FL offers 82 gal fresh, 47 gal gray, and 40 gal black. The Dutchmen Yukon 421FL has the edge for extended dry camping.

Budget-wise, the Dutchmen Yukon 421FL is listed at $134,000 compared to $135,000 for the Forest River Cardinal 345RLX.

For family camping trips, the larger floor plan and additional berths make a real difference. For boondocking, the model with superior solar and battery setup will keep you comfortable off the grid longer. If you're going full-time, the larger tanks and more robust build quality matter enormously.

Both options have earned their place in the market. Your trip style and budget should be the final tiebreakers.

Individual Overviews

2024 Forest River Cardinal 345RLX

  • Category: Fifth Wheel
  • Length: 37 ft
  • Weight: 12,600 lbs
  • Sleeps: 6
  • MSRP: $135,000
View Full Specs

2025 Dutchmen Yukon 421FL

  • Category: Fifth Wheel
  • Length: 40 ft
  • Weight: 15,200 lbs
  • Sleeps: 6
  • MSRP: $134,000
View Full Specs