The Sea Ray SLX 310 Outboard 2023 vs Sea Ray Sundancer 310 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.
On paper these two are close siblings in the size department — Sea Ray SLX 310 Outboard 2023 at 33,1 ft versus Sea Ray Sundancer 310 2011 at 31,0 ft. Weight tells a clearer story for trailering families: the Sea Ray Sundancer 310 2011 tips the scales at 11 630 lbs — 1 295 lbs less than the Sea Ray SLX 310 Outboard 2023 at 10 335 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 power gap is worth calling out. Rated to 300 hp, the Sea Ray SLX 310 Outboard 2023 has a 40-hp advantage over the Sea Ray Sundancer 310 2011's 260-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Sea Ray SLX 310 Outboard 2023 carries 158 gallons versus 125 gallons in the Sea Ray Sundancer 310 2011. 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 SLX 310 Outboard 2023 is rated for 10 passengers, while the Sea Ray Sundancer 310 2011 caps at 9. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Sea Ray SLX 310 Outboard 2023 could be the deciding factor.
Bottom line: Choose the Sea Ray SLX 310 Outboard 2023 if your priority is putting more people on the water — it handles 10 passengers and at 33,1 ft it has the deck room to back that rating up comfortably. The Sea Ray Sundancer 310 2011 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 9 that costs less to run day-to-day.