The Sea Ray 340 Sundancer 2008 vs Sea Ray Sundancer 400 1999 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.

On paper these two are close siblings in the size department - Sea Ray 340 Sundancer 2008 at 37,0 ft versus Sea Ray Sundancer 400 1999 at 40,0 ft. Weight tells a clearer story for trailering families: the Sea Ray Sundancer 400 1999 tips the scales at 22 500 lbs - 7 000 lbs less than the Sea Ray 340 Sundancer 2008 at 15 500 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.

Both boats share a closely matched power ceiling - 375 hp for the Sea Ray 340 Sundancer 2008 and 383 hp for the Sea Ray Sundancer 400 1999. Real-world performance will come down more to which motor is actually bolted on, its load at the time, and whether it's a 4-stroke or 2-stroke setup. Fuel capacity breaks the other way: the Sea Ray Sundancer 400 1999 carries 335 gallons versus 225 gallons in the Sea Ray 340 Sundancer 2008. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

For family outings this is probably the sharpest distinction between the two. The Sea Ray Sundancer 400 1999 is rated for 12 passengers, while the Sea Ray 340 Sundancer 2008 caps at 11. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Sea Ray Sundancer 400 1999 could be the deciding factor.