Sea Ray 280 Sundeck 2010 boat specs
Sea Ray
Sea Ray 280 Sundeck 2010
2010
View full specs →
VS
Sea Ray 450 Sedan Bridge 2011 boat specs
Sea Ray
Sea Ray 450 Sedan Bridge 2011
2011
View full specs →

Sea Ray 280 Sundeck 2010 vs Sea Ray 450 Sedan Bridge 2011 — Same Brand, Different Boat

Matching a modified vee Sea Ray 280 Sundeck 2010 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 17,4 additional feet of deck space compared to the Sea Ray 280 Sundeck 2010 at 28,0 feet (2010). Weight tells a clearer story for trailering families: the Sea Ray 280 Sundeck 2010 tips the scales at 5 726 lbs — 5 441 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 53-hp advantage over the Sea Ray 280 Sundeck 2010's 425-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 280 Sundeck 2010 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 280 Sundeck 2010 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 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 Sundeck 2010 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
MakeSea Ray
Model280 Sundeck?
Model450 Sedan Bridge
Model Year201
Model Year2011
Measurements / Dimensions
Beam8 ft. 10 in. (2.69 m)
Beam14 ft. 3 in. (4.27 m)
Beam - Meters2.69
Beam - Meters4.34
Beam - Inches106
Beam - Inches171
Deadrise21℃
Deadrise18℃
Draft [drive up] - Detail24 in. (61 cm)
Draft [drive up] - Detailnot available
Draft [drive up] meters0.61
Draft [drive up] metersnot available
Draft [drive up] inches24
Draft [drive up] inchesnot available
Draft [max] - Detail42 in. (107 cm)
Draft [max] - DetailInboards: 44 in. (112 cm)
Draft [max] - Meters1.07
Draft [max] - Meters1.12
Draft [max] - Inches42
Draft [max] - Inches44
Weight - Detail5,726 lbs. (2,597 kg)
Weight - Detail28,500 lbs. (12,927 kg)
Weight - kg2597.27
Weight - kg12927.37
Weight - lbs.5726
Weight - lbs.285
Length - Feet28
Length - Feet45.42
Length overall - Detail28 ft. 0 in. (8.53 m)
Length overall - Detail45 ft. 5 in. (13.84 m)
Length overall - Meters8.53
Length overall - Meters13.84
Length overall - Inches336
Length overall - Inches545
Body / Hull
Hull materialFiberglass
Hull materialFiberglass
Hull typeModified Vee
Hull typeSemi Displacement
Engine and Drivetrain
Engine makeMerCruiser®
Engine makenot available
Engine/s standard350 Magnum® MPI Bravo? III MCM DTS
Engine/s standardT-Cummins MerCruiser? QSC-500 Diesel V-drives with ETS
Fuel tank capacity - Detail85 gal. (322 l)
Fuel tank capacity - Detail350 gal. (1,324 l)
Fuel tank capacity - Liters321.76
Fuel tank capacity - Liters1324.89
Fuel tank capacity - Gal85
Fuel tank capacity - Gal35
Fuel typeGas
Fuel typeDiesel
Drive typeI/O
Drive typeInboard - Twin
Horsepower300 hp (224 kW)
HorsepowerTwin 478 hp (356 kW)
Engine max425 hp (317 kW)
Engine maxTwin 478 hp (356 kW)
Operational Info
Water capacity20 gal. (76 l)
Water capacity120 gal. (454 l)
Holding tank capacity - DetailOptional: 10 gal. (37 l)
Holding tank capacity - Detail42 gal. (159 l)
Holding tank capacity - Liters37.85
Holding tank capacity - Liters158.99
Holding tank capacity - Gal1
Holding tank capacity - Gal42

Sea Ray 280 Sundeck 2010 vs Sea Ray 450 Sedan Bridge 2011 — Common Questions

Which is the larger boat — the Sea Ray 280 Sundeck 2010 or the Sea Ray 450 Sedan Bridge 2011?
The Sea Ray 450 Sedan Bridge 2011 is the longer of the two at 45,4 feet overall. The Sea Ray 280 Sundeck 2010 comes in at 28,0 feet, making it roughly 17,4 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Sea Ray 280 Sundeck 2010 or the Sea Ray 450 Sedan Bridge 2011?
For trailering, the Sea Ray 450 Sedan Bridge 2011 has the edge at 285 lbs dry weight versus 5 726 lbs for the Sea Ray 280 Sundeck 2010. Add a motor (typically 300–500 lbs for an outboard in this class), gear, and a partial fuel load and the difference grows. Lighter is friendlier on smaller tow vehicles and on fuel economy while hauling.
Which boat can handle a bigger outboard?
The Sea Ray 450 Sedan Bridge 2011 is rated to a maximum of 478 hp, giving it the larger power ceiling. The Sea Ray 280 Sundeck 2010 tops out at 425 hp. Keep in mind that maximum ratings are just that — matching the motor to the actual load and usage pattern usually matters more than chasing the ceiling.
How many people can each boat hold?
The Sea Ray 280 Sundeck 2010 is Coast Guard rated for 8 passengers, while the Sea Ray 450 Sedan Bridge 2011 is certified for 13. Note that legal capacity and comfortable capacity aren't always the same thing — on a full day out, most experienced boaters aim for about 80% of the rated number to keep things comfortable.
Which boat is wider, and does it affect trailering?
The Sea Ray 450 Sedan Bridge 2011 measures 171" wide, compared to 106" for the Sea Ray 280 Sundeck 2010. The US standard-width towing limit is 8’6" (102") in most states — anything over that may need a wide-load permit. Confirm your specific route requirements with each state's DOT.
Which boat has the larger fuel tank — the Sea Ray 280 Sundeck 2010 or the Sea Ray 450 Sedan Bridge 2011?
The Sea Ray 280 Sundeck 2010 has the bigger tank at 85 gallons, versus 35 gallons on the Sea Ray 450 Sedan Bridge 2011. That 50-gallon difference translates to roughly 150–250 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Sea Ray 280 Sundeck 2010 and Sea Ray 450 Sedan Bridge 2011 from the same manufacturer?
Yes — both the Sea Ray 280 Sundeck 2010 and the Sea Ray 450 Sedan Bridge 2011 are built by Sea Ray. That means shared dealer networks, common parts availability, and consistent build quality across the line. The choice between them is essentially a question of how much boat you need, not which brand you trust.