The X-Yachts ATLANTIS 2012 vs X-Yachts X-37 Sport Sport 2004 comparison sits squarely in the category of decisions where specs alone won't tell the whole story — intended use, storage, and long-term ownership costs all factor in.
The X-Yachts X-37 Sport Sport 2004 tops out at 29 hp. Engine specs for the X-Yachts ATLANTIS 2012 aren't listed — confirm with a dealer before selecting an outboard.
For family outings this is probably the sharpest distinction between the two. The X-Yachts ATLANTIS 2012 is rated for 12 passengers, while the X-Yachts X-37 Sport Sport 2004 caps at 11. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the X-Yachts ATLANTIS 2012 could be the deciding factor.
The X-Yachts X-37 Sport Sport 2004 has a documented displacement of 14 110 lbs. Displacement data wasn't available for the other boat in this comparison.
The X-Yachts X-37 Sport Sport 2004 has a documented auxiliary engine of 29 hp.
Bottom line: The X-Yachts ATLANTIS 2012 at 40,0 ft offers more living space, greater range, and a more substantial offshore capability. The X-Yachts X-37 Sport Sport 2004 at 37,2 ft is the easier, lower-cost option — simpler to crew and a strong choice for coastal and day sailing.