Detailed Evaluation & Buyer Recommendation
Sea Ray 550 Sedan Bridge 2005 vs Sea Ray Sundancer 280 2015 — Same Brand, Different Boat
The Sea Ray 550 Sedan Bridge 2005 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.
Size is the most obvious dividing line here. The Sea Ray 550 Sedan Bridge 2005 measures 58,0 feet overall (2005), giving it roughly 27,2 additional feet of deck space compared to the Sea Ray Sundancer 280 2015 at 30,8 feet (2015). Weight tells a clearer story for trailering families: the Sea Ray Sundancer 280 2015 tips the scales at 8 211 lbs — 7 696 lbs less than the Sea Ray 550 Sedan Bridge 2005 at 515 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 Sundancer 280 2015 tops out at 300 hp. Engine specs for the Sea Ray 550 Sedan Bridge 2005 aren't listed — confirm with a dealer before selecting an outboard.Fuel capacity breaks the other way: the Sea Ray Sundancer 280 2015 carries 85 gallons versus 7 gallons in the Sea Ray 550 Sedan Bridge 2005. 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 550 Sedan Bridge 2005 is rated for 17 passengers, while the Sea Ray Sundancer 280 2015 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 550 Sedan Bridge 2005 could be the deciding factor.
Bottom line: Choose the Sea Ray 550 Sedan Bridge 2005 if your priority is putting more people on the water — it handles 17 passengers and at 58,0 ft it has the deck room to back that rating up comfortably. The Sea Ray Sundancer 280 2015 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 9 that costs less to run day-to-day.
General Boat Info
MakeSea Ray
Makenot available
Model550 Sedan Bridge
Modelnot available
Model Year2005
Model Yearnot available
Measurements / Dimensions
Beam16 ft. 0 in. (4.88 m)
Beam8.10 ft
Beam - Meters4.88
Beam - Meters2.47
Beam - Inches192
Beam - Inches97
Deadrise17℃
Deadrisenot available
Draft [max] - Detail51 in. (129.54 cm)
Draft [max] - Detail3.60 ft
Draft [max] - Meters1.3
Draft [max] - Meters1.1
Draft [max] - Inches51
Draft [max] - Inches43
Weight - Detail51,500 lbs. (23,360 kg)
Weight - Detailnot available
Weight - kg23359.99
Weight - kgnot available
Weight - lbs.515
Weight - lbs.not available
Length - Meters17.85
Length - Metersnot available
Length - Feet58
Length - Feet30.8
Length - Inches7
Length - Inchesnot available
Length overall - Detail58 ft. 7 in. (17.85 m)
Length overall - Detail30.80 ft
Length overall - Meters17.86
Length overall - Meters9.39
Length overall - Inches703
Length overall - Inches370
Draft Minnot available
Draft Min2.00 ft
Displacementnot available
Displacement8211.00 lbs
Engine and Drivetrain
Engine/s standardT-MAN 2848LE4 V8 Diesel Inboards (T-765 hp - 571 kw)
Engine/s standardnot available
Fuel tank capacity - Detail700 gal. (2,649.5 l)
Fuel tank capacity - Detailnot available
Fuel tank capacity - Liters2649.79
Fuel tank capacity - Liters321.76
Fuel tank capacity - Gal7
Fuel tank capacity - Gal85
Drive typeInboard
Drive typenot available
Engine makenot available
Engine makeMerCruiser
Engine modelnot available
Engine model350 MPI Bravo III
Horsepowernot available
Horsepower300 hp
Fuel typenot available
Fuel typeGas
Operational Info
Water capacity150 gal. (567.8 l)
Water capacity28
Holding tank capacity - Detail68 gal. (257.4 l)
Holding tank capacity - Detailnot available
Holding tank capacity - Liters257.41
Holding tank capacity - Liters105.99
Holding tank capacity - Gal68
Holding tank capacity - Gal28
Sleeping capacitynot available
Sleeping capacity4
Boat typenot available
Boat typePower