The Sea Ray 390 Motor Yacht 2005 vs Sea Ray 500 Sundancer 2011 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.

Size is the most obvious dividing line here. The Sea Ray 500 Sundancer 2011 measures 51,0 feet overall (2011), giving it roughly 10,0 additional feet of deck space compared to the Sea Ray 390 Motor Yacht 2005 at 41,0 feet (2005). Weight tells a clearer story for trailering families: the Sea Ray 500 Sundancer 2011 tips the scales at 3 425 lbs — 3 160 lbs less than the Sea Ray 390 Motor Yacht 2005 at 265 lbs. That difference is meaningful if you're working within a half-ton or three-quarter-ton truck's tow rating, especially once you factor in a motor, gear, and fuel.

The Sea Ray 500 Sundancer 2011 tops out at 576 hp. Engine specs for the Sea Ray 390 Motor Yacht 2005 aren't listed — confirm with a dealer before selecting an outboard.Both carry nearly identical fuel loads — 3 gal and 4 gal — so range won't be a tiebreaker here.

For family outings this is probably the sharpest distinction between the two. The Sea Ray 500 Sundancer 2011 is rated for 15 passengers, while the Sea Ray 390 Motor Yacht 2005 caps at 12. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Sea Ray 500 Sundancer 2011 could be the deciding factor.