Detailed Evaluation & Buyer Recommendation
Sea Ray 300 SLX® 2012 vs Sea Ray Sundancer 280 2015 — Same Brand, Different Boat
The Sea Ray 300 SLX® 2012 vs Sea Ray Sundancer 280 2015 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 300 SLX® 2012 at 29,5 ft versus Sea Ray Sundancer 280 2015 at 30,8 ft. Weight tells a clearer story for trailering families: the Sea Ray Sundancer 280 2015 tips the scales at 8 211 lbs — 8 134 lbs less than the Sea Ray 300 SLX® 2012 at 77 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 Sundancer 280 2015 has a 298-hp advantage over the Sea Ray 300 SLX® 2012's 2-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 Sundancer 280 2015 carries 85 gallons versus 13 gallons in the Sea Ray 300 SLX® 2012. 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 280 2015 is rated for 9 passengers, while the Sea Ray 300 SLX® 2012 caps at 8. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Sea Ray Sundancer 280 2015 could be the deciding factor.
Bottom line: Choose the Sea Ray Sundancer 280 2015 if your priority is putting more people on the water — it handles 9 passengers and at 30,8 ft it has the deck room to back that rating up comfortably. The Sea Ray 300 SLX® 2012 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 8 that costs less to run day-to-day.
General Boat Info
MakeSea Ray
Makenot available
Model300 SLX®
Modelnot available
Model Year2012
Model Yearnot available
Measurements / Dimensions
Beam9 ft. 8 in. (2.95 cm)
Beam8.10 ft
Beam - Meters2.95
Beam - Meters2.47
Beam - Inches116
Beam - Inches97
Deadrise21°
Deadrisenot available
Draft [drive up] - Detail23 in. (58.4 cm)
Draft [drive up] - Detailnot available
Draft [drive up] meters0.58
Draft [drive up] metersnot available
Draft [drive up] inches23
Draft [drive up] inchesnot available
Draft [max] - Detail38 in. (96.5 cm)
Draft [max] - Detail3.60 ft
Draft [max] - Meters0.97
Draft [max] - Meters1.1
Draft [max] - Inches38
Draft [max] - Inches43
Weight - Detail7,700 lbs. (3,493 kg)
Weight - Detailnot available
Weight - kg3492.66
Weight - kgnot available
Weight - lbs.77
Weight - lbs.not available
Length - Feet29.5
Length - Feet30.8
Length overall - Detail29 ft. 6 in. (8.99 m)
Length overall - Detail30.80 ft
Length overall - Meters8.99
Length overall - Meters9.39
Length overall - Inches354
Length overall - Inches370
Draft Minnot available
Draft Min2.00 ft
Displacementnot available
Displacement8211.00 lbs
Body / Hull
Hull materialFiberglass
Hull materialnot available
Hull typeDeep Vee
Hull typenot available
Engine and Drivetrain
Engine makeMerCuriser®
Engine makeMerCruiser
Engine/s standard8.2 MAG ECT DTS Bravo® III stern drive
Engine/s standardnot available
Fuel tank capacity - Detail130 gal. (492.1 l)
Fuel tank capacity - Detailnot available
Fuel tank capacity - Liters492.1
Fuel tank capacity - Liters321.76
Fuel tank capacity - Gal13
Fuel tank capacity - Gal85
Drive typeI/O
Drive typenot available
Horsepower380 hp
Horsepower300 hp
Engine max(2) 300 hp
Engine maxnot available
Engine modelnot available
Engine model350 MPI Bravo III
Operational Info
Water capacity24 gal. (90 l)
Water capacity28
Holding tank capacity - Detail20 gal. (75 l)
Holding tank capacity - Detailnot available
Holding tank capacity - Liters75.71
Holding tank capacity - Liters105.99
Holding tank capacity - Gal2
Holding tank capacity - Gal28
Sleeping capacitynot available
Sleeping capacity4
Boat typenot available
Boat typePower