Detailed Evaluation & Buyer Recommendation
Sea Ray 450 Sedan Bridge 2013 vs Sea Ray SDX 270 Outboard 2018 — Same Brand, Different Boat
The Sea Ray 450 Sedan Bridge 2013 vs Sea Ray SDX 270 Outboard 2018 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 2013 measures 45,6 feet overall (2013), giving it roughly 16,4 additional feet of deck space compared to the Sea Ray SDX 270 Outboard 2018 at 29,2 feet (2018). Weight tells a clearer story for trailering families: the Sea Ray 450 Sedan Bridge 2013 tips the scales at 36 602 lbs — 30 942 lbs more than the Sea Ray SDX 270 Outboard 2018 at 5 660 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 480 hp, the Sea Ray 450 Sedan Bridge 2013 has a 230-hp advantage over the Sea Ray SDX 270 Outboard 2018's 250-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 2013 carries 375 gallons versus 65 gallons in the Sea Ray SDX 270 Outboard 2018. 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 2013 is rated for 13 passengers, while the Sea Ray SDX 270 Outboard 2018 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 2013 could be the deciding factor.
Bottom line: Choose the Sea Ray 450 Sedan Bridge 2013 if your priority is putting more people on the water — it handles 13 passengers and at 45,6 ft it has the deck room to back that rating up comfortably. The Sea Ray SDX 270 Outboard 2018 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
Makenot available
Model450 Sedan Bridge
Modelnot available
Model Year2013
Model Yearnot available
Measurements / Dimensions
Beam14 ft. 5 in. (4.3 m)
Beam8.60 ft
Beam - Meters4.39
Beam - Meters2.62
Beam - Inches173
Beam - Inches103
Deadrise17℃
Deadrisenot available
Draft [max] - Detail48 in. (122 cm)
Draft [max] - Detail3.20 ft
Draft [max] - Meters1.22
Draft [max] - Meters0.98
Draft [max] - Inches48
Draft [max] - Inches38
Weight - Detail36,602 lbs. (16,602 kg)
Weight - Detailnot available
Weight - kg16602.37
Weight - kgnot available
Weight - lbs.36602
Weight - lbs.not available
Length - Feet45.58
Length - Feet29.2
Length [over all with swim platform]47 ft. 3 in. (15.44 m)
Length [over all with swim platform]not available
Length overall - Detail45 ft. 7 in. (13.9 m)
Length overall - Detail29.20 ft
Length overall - Meters13.89
Length overall - Meters8.9
Length overall - Inches547
Length overall - Inches350
Draft Minnot available
Draft Min2.20 ft
Displacementnot available
Displacement5660.00 lbs
Body / Hull
Hull materialFiberglass
Hull materialnot available
Hull typeSemi Displacement
Hull typenot available
Engine and Drivetrain
Engine makeCummins®
Engine makeMercury
Engine/s standardTwin QSB 480 Zeus drives with joystick control
Engine/s standardnot available
Fuel tank capacity - Detail375 gal. (1,418 l)
Fuel tank capacity - Detailnot available
Fuel tank capacity - Liters1419.53
Fuel tank capacity - Liters246.05
Fuel tank capacity - Gal375
Fuel tank capacity - Gal65
Fuel typeDiesel
Fuel typeGas
Drive typePod Drive
Drive typeoutboard
HorsepowerTwin 480 php (353 kW)
Horsepower250 hp
Engine modelnot available
Engine model250HP Verado®
Operational Info
Water capacity130 gal. (492 l)
Water capacity2
Holding tank capacity - Detail42 gal. (159 l)
Holding tank capacity - Detailnot available
Holding tank capacity - Liters158.99
Holding tank capacity - Litersnot available
Holding tank capacity - Gal42
Holding tank capacity - Galnot available
Boat typenot available
Boat typePower