Detailed Evaluation & Buyer Recommendation
Sea Ray 280 Sundancer 2009 vs Sea Ray 450 Sedan Bridge 2011 — Same Brand, Different Boat
Matching a deep vee Sea Ray 280 Sundancer 2009 against a semi displacement Sea Ray 450 Sedan Bridge 2011 means you're likely deciding between two genuinely different on-water experiences. Hull type shapes everything from ride quality and fuel burn to dock handling and resale trajectory.
Size is the most obvious dividing line here. The Sea Ray 450 Sedan Bridge 2011 measures 45,4 feet overall (2011), giving it roughly 14,3 additional feet of deck space compared to the Sea Ray 280 Sundancer 2009 at 31,1 feet (2009). Weight tells a clearer story for trailering families: the Sea Ray 280 Sundancer 2009 tips the scales at 863 lbs — 578 lbs more 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 103-hp advantage over the Sea Ray 280 Sundancer 2009's 375-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 450 Sedan Bridge 2011 carries 35 gallons versus 1 gallons in the Sea Ray 280 Sundancer 2009. 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 280 Sundancer 2009 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 280 Sundancer 2009 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
Model280 Sundancer?
Model450 Sedan Bridge
Model Year2009
Model Year2011
Measurements / Dimensions
Beam9 ft. 5 in. (2.87 m)
Beam14 ft. 3 in. (4.27 m)
Beam - Meters2.87
Beam - Meters4.34
Beam - Inches113
Beam - Inches171
Deadrise21℃
Deadrise18℃
Draft [drive up] - Detail22 in. (55.9 cm) Twin: 23 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] - Detail39 in. (99.1 cm)
Draft [max] - DetailInboards: 44 in. (112 cm)
Draft [max] - Meters0.99
Draft [max] - Meters1.12
Draft [max] - Inches39
Draft [max] - Inches44
Weight - Detail8,630 lbs. (3,900 kg)
Weight - Detail28,500 lbs. (12,927 kg)
Weight - kg3914.5
Weight - kg12927.37
Weight - lbs.863
Weight - lbs.285
Length - Feet31.08
Length - Feet45.42
Length overall - Detail31 ft. 1 in. (9.47 m)
Length overall - Detail45 ft. 5 in. (13.84 m)
Length overall - Meters9.47
Length overall - Meters13.84
Length overall - Inches373
Length overall - Inches545
Body / Hull
Hull materialFiberglass
Hull materialFiberglass
Hull typeDeep Vee
Hull typeSemi Displacement
Engine and Drivetrain
Engine makeMerCruiser®
Engine makenot available
Engine/s standard496 Magnum? MPI Bravo? III DTS
Engine/s standardT-Cummins MerCruiser? QSC-500 Diesel V-drives with ETS
Fuel tank capacity - Detail100 gal. (378.5 l)
Fuel tank capacity - Detail350 gal. (1,324 l)
Fuel tank capacity - Liters378.54
Fuel tank capacity - Liters1324.89
Fuel tank capacity - Gal1
Fuel tank capacity - Gal35
Fuel typeGas or Diesel
Fuel typeDiesel
Drive typeI/O
Drive typeInboard - Twin
Horsepower375 hp (280 kW)
HorsepowerTwin 478 hp (356 kW)
Engine max375 hp (280 kW)
Engine maxTwin 478 hp (356 kW)
Operational Info
Water capacity28 gal. (106 l)
Water capacity120 gal. (454 l)
Holding tank capacity - Detail28 gal. (106 l)
Holding tank capacity - Detail42 gal. (159 l)
Holding tank capacity - Liters105.99
Holding tank capacity - Liters158.99
Holding tank capacity - Gal28
Holding tank capacity - Gal42