Detailed Evaluation & Buyer Recommendation
Sea Ray 300 Sundeck 2010 vs Sea Ray 450 Sedan Bridge 2011 — Same Brand, Different Boat
Matching a modified vee Sea Ray 300 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 15,9 additional feet of deck space compared to the Sea Ray 300 Sundeck 2010 at 29,5 feet (2010). Weight tells a clearer story for trailering families: the Sea Ray 300 Sundeck 2010 tips the scales at 6 044 lbs — 5 759 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 300 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 300 Sundeck 2010 carries 93 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 300 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 300 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
Model300 Sundeck?
Model450 Sedan Bridge
Model Year201
Model Year2011
Measurements / Dimensions
Beam9 ft. 1 in. (2.76 m)
Beam14 ft. 3 in. (4.27 m)
Beam - Meters2.77
Beam - Meters4.34
Beam - Inches109
Beam - Inches171
Deadrise21℃
Deadrise18℃
Draft [drive up] - Detail23 in. (58 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 cm)
Draft [max] - DetailInboards: 44 in. (112 cm)
Draft [max] - Meters0.99
Draft [max] - Meters1.12
Draft [max] - Inches39
Draft [max] - Inches44
Weight - Detail6,044 lbs. (2,741 kg)
Weight - Detail28,500 lbs. (12,927 kg)
Weight - kg2741.51
Weight - kg12927.37
Weight - lbs.6044
Weight - lbs.285
Length - Feet29.5
Length - Feet45.42
Length overall - Detail29 ft. 6 in. (8.99 m)
Length overall - Detail45 ft. 5 in. (13.84 m)
Length overall - Meters8.99
Length overall - Meters13.84
Length overall - Inches354
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 standardMX6.2 MPI Bravo? III DTS
Engine/s standardT-Cummins MerCruiser? QSC-500 Diesel V-drives with ETS
Fuel tank capacity - Detail93 gal. (352 l)
Fuel tank capacity - Detail350 gal. (1,324 l)
Fuel tank capacity - Liters352.04
Fuel tank capacity - Liters1324.89
Fuel tank capacity - Gal93
Fuel tank capacity - Gal35
Fuel typeGas
Fuel typeDiesel
Drive typeI/O
Drive typeInboard - Twin
Horsepower320 hp (239 kW)
HorsepowerTwin 478 hp (356 kW)
Engine max425 hp (317 kW)
Engine maxTwin 478 hp (356 kW)
Operational Info
Water capacity24 gal. (91 l)
Water capacity120 gal. (454 l)
Holding tank capacity - DetailOptional: 10 gal. (38 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