2025 Grand Design Reflection 370FLS vs 2025 Dutchmen Yukon 421FL

Detailed Comparison

Choosing between the 2025 Grand Design Reflection 370FLS and the 2025 Dutchmen Yukon 421FL? Both are excellent options in the RV world, but they cater to different priorities.

Starting with size, the Grand Design Reflection 370FLS measures 37.5 ft long and tips the scales at 10,500 lbs dry weight. The Dutchmen Yukon 421FL comes in at 40.0 ft with a dry weight of 15,200 lbs. That gives the Dutchmen Yukon 421FL roughly 2.5 extra feet of length.

For sleeping arrangements, the Grand Design Reflection 370FLS offers room for 10 and the Dutchmen Yukon 421FL can handle 6. The Grand Design Reflection 370FLS benefits from 5 slide-out(s), expanding the interior when parked.

Looking at self-sufficiency, the Grand Design Reflection 370FLS packs 71 gal of fresh water and 500W of solar. The Dutchmen Yukon 421FL counters with 82 gal fresh water and 250W solar.

Price is often the deciding factor. The Grand Design Reflection 370FLS starts at $133,000 MSRP, while the Dutchmen Yukon 421FL commands $134,000 — a $1,000 gap.

Families with kids will appreciate the extra sleeping capacity and living space. Off-grid campers should pay close attention to solar wattage, battery capacity, and tank sizes. Full-timers should prioritize tank capacity, storage, and overall living comfort.

The numbers tell one story, but the feel of a floor plan is personal. Schedule a walkthrough before you decide.