Detailed Evaluation & Buyer Recommendation
Sea Ray 580 Sundancer 2010 vs Sea Ray SLX 230 2020 — Same Brand, Different Boat
The Sea Ray 580 Sundancer 2010 vs Sea Ray SLX 230 2020 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 SLX 230 2020 measures 23,0 feet overall (2020), giving it roughly 17,0 additional feet of deck space compared to the Sea Ray 580 Sundancer 2010 at 6,0 feet (2010). Weight tells a clearer story for trailering families: the Sea Ray SLX 230 2020 tips the scales at 4 840 lbs — 4 305 lbs less than the Sea Ray 580 Sundancer 2010 at 535 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 1 051 hp, the Sea Ray 580 Sundancer 2010 has a 801-hp advantage over the Sea Ray SLX 230 2020's 250-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 580 Sundancer 2010 carries 825 gallons versus 5 gallons in the Sea Ray SLX 230 2020. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.
Bottom line: The Sea Ray SLX 230 2020 at 23,0 ft is the right call if deck space, comfort, and entertaining are top of your list. The Sea Ray 580 Sundancer 2010 at 6,0 ft wins on trailering ease, likely lower purchase price, and simpler docking — a solid choice for a buyer who wants more boat for less money.
General Boat Info
MakeSea Ray
Makenot available
Model580 Sundancer?
Modelnot available
Model Year201
Model Yearnot available
Measurements / Dimensions
Beam15 ft. 11 in. (4.85 m)
Beam8.60 ft
Beam - Meters4.85
Beam - Meters2.62
Beam - Inches191
Beam - Inches103
Deadrise17℃
Deadrisenot available
Draft [max] - DetailInboards: 54 in. (137 cm)
Draft [max] - Detail3.90 ft
Draft [max] - Meters1.37
Draft [max] - Meters1.19
Draft [max] - Inches54
Draft [max] - Inches47
Weight - Detail53,500 lbs. (24,267 kg)
Weight - Detailnot available
Weight - kg24267.17
Weight - kgnot available
Weight - lbs.535
Weight - lbs.not available
Length - Feet6
Length - Feet23
Length [over all with swim platform]60 ft. 0 in. (18.29 m)
Length [over all with swim platform]not available
Length overall - Detailnot available
Length overall - Detail23.00 ft
Length overall - Metersnot available
Length overall - Meters7.01
Length overall - Inchesnot available
Length overall - Inches276
Draft Minnot available
Draft Min2.10 ft
Displacementnot available
Displacement4840.00 lbs
Body / Hull
Hull materialFiberglass
Hull materialnot available
Hull typeSemi Displacement
Hull typenot available
Engine and Drivetrain
Engine/s standardMAN® T-800 CRM V-Drives
Engine/s standardnot available
Fuel tank capacity - Detail825 gal. (3,123 l)
Fuel tank capacity - Detailnot available
Fuel tank capacity - Liters3122.96
Fuel tank capacity - Liters189.27
Fuel tank capacity - Gal825
Fuel tank capacity - Gal5
Fuel typeDiesel
Fuel typeGas
Drive typeV-drive
Drive typeinboard
HorsepowerTwin 765 hp (570 kW)
Horsepower250 hp
Engine maxTwin 1,051 hp (785 kW)
Engine maxnot available
Engine makenot available
Engine makeMerCruiser
Engine modelnot available
Engine model4.5L MPI ECT Bravo®
Operational Info
Water capacity200 gal. (757 l)
Water capacitynot available
Water heater capacity20 gal. (88 l)
Water heater capacitynot available
Holding tank capacity - Detail70 gal. (265 l)
Holding tank capacity - Detailnot available
Holding tank capacity - Liters264.98
Holding tank capacity - Litersnot available
Holding tank capacity - Gal7
Holding tank capacity - Galnot available
Trailerablenot available
TrailerableYes
Boat typenot available
Boat typePower