Detailed Evaluation & Buyer Recommendation
Sea Ray 450 Sedan Bridge 2011 vs Sea Ray Sundancer 280 2015 — Same Brand, Different Boat
The Sea Ray 450 Sedan Bridge 2011 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 450 Sedan Bridge 2011 measures 45,4 feet overall (2011), giving it roughly 14,6 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 — 7 926 lbs less than the Sea Ray 450 Sedan Bridge 2011 at 285 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 478 hp, the Sea Ray 450 Sedan Bridge 2011 has a 178-hp advantage over the Sea Ray Sundancer 280 2015's 300-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 35 gallons in the Sea Ray 450 Sedan Bridge 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 450 Sedan Bridge 2011 is rated for 13 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 450 Sedan Bridge 2011 could be the deciding factor.
Bottom line: Choose the Sea Ray 450 Sedan Bridge 2011 if your priority is putting more people on the water — it handles 13 passengers and at 45,4 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
Model450 Sedan Bridge
Modelnot available
Model Year2011
Model Yearnot available
Measurements / Dimensions
Beam14 ft. 3 in. (4.27 m)
Beam8.10 ft
Beam - Meters4.34
Beam - Meters2.47
Beam - Inches171
Beam - Inches97
Deadrise18℃
Deadrisenot available
Draft [max] - DetailInboards: 44 in. (112 cm)
Draft [max] - Detail3.60 ft
Draft [max] - Meters1.12
Draft [max] - Meters1.1
Draft [max] - Inches44
Draft [max] - Inches43
Weight - Detail28,500 lbs. (12,927 kg)
Weight - Detailnot available
Weight - kg12927.37
Weight - kgnot available
Weight - lbs.285
Weight - lbs.not available
Length - Feet45.42
Length - Feet30.8
Length overall - Detail45 ft. 5 in. (13.84 m)
Length overall - Detail30.80 ft
Length overall - Meters13.84
Length overall - Meters9.39
Length overall - Inches545
Length overall - Inches370
Draft Minnot available
Draft Min2.00 ft
Displacementnot available
Displacement8211.00 lbs
Body / Hull
Hull materialFiberglass
Hull materialnot available
Hull typeSemi Displacement
Hull typenot available
Engine and Drivetrain
Engine/s standardT-Cummins MerCruiser? QSC-500 Diesel V-drives with ETS
Engine/s standardnot available
Fuel tank capacity - Detail350 gal. (1,324 l)
Fuel tank capacity - Detailnot available
Fuel tank capacity - Liters1324.89
Fuel tank capacity - Liters321.76
Fuel tank capacity - Gal35
Fuel tank capacity - Gal85
Fuel typeDiesel
Fuel typeGas
Drive typeInboard - Twin
Drive typenot available
HorsepowerTwin 478 hp (356 kW)
Horsepower300 hp
Engine maxTwin 478 hp (356 kW)
Engine maxnot available
Engine makenot available
Engine makeMerCruiser
Engine modelnot available
Engine model350 MPI Bravo III
Operational Info
Water capacity120 gal. (454 l)
Water capacity28
Holding tank capacity - Detail42 gal. (159 l)
Holding tank capacity - Detailnot available
Holding tank capacity - Liters158.99
Holding tank capacity - Liters105.99
Holding tank capacity - Gal42
Holding tank capacity - Gal28
Sleeping capacitynot available
Sleeping capacity4
Boat typenot available
Boat typePower