Detailed Evaluation & Buyer Recommendation
Sea Ray 270 Sundeck 2005 vs Sea Ray 450 Sedan Bridge 2013 — Same Brand, Different Boat
The Sea Ray 270 Sundeck 2005 vs Sea Ray 450 Sedan Bridge 2013 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 19,6 additional feet of deck space compared to the Sea Ray 270 Sundeck 2005 at 26,0 feet (2005). Weight tells a clearer story for trailering families: the Sea Ray 450 Sedan Bridge 2013 tips the scales at 36 602 lbs — 36 544 lbs less than the Sea Ray 270 Sundeck 2005 at 58 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 Sea Ray 450 Sedan Bridge 2013 tops out at 480 hp. Engine specs for the Sea Ray 270 Sundeck 2005 aren't listed — confirm with a dealer before selecting an outboard.Fuel capacity breaks the other way: the Sea Ray 450 Sedan Bridge 2013 carries 375 gallons versus 85 gallons in the Sea Ray 270 Sundeck 2005. 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 270 Sundeck 2005 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 270 Sundeck 2005 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
Model270 Sundeck?
Model450 Sedan Bridge
Model Year2005
Model Year2013
Measurements / Dimensions
Beam8 ft. 10 in. (2.69 m)
Beam14 ft. 5 in. (4.3 m)
Beam - Meters2.69
Beam - Meters4.39
Beam - Inches106
Beam - Inches173
Deadrise21℃
Deadrise17℃
Draft [drive up] - Detail20 in. (50.8 cm)
Draft [drive up] - Detailnot available
Draft [drive up] meters0.51
Draft [drive up] metersnot available
Draft [drive up] inches2
Draft [drive up] inchesnot available
Draft [max] - Detail36 in. (91.4 cm)
Draft [max] - Detail48 in. (122 cm)
Draft [max] - Meters0.91
Draft [max] - Meters1.22
Draft [max] - Inches36
Draft [max] - Inches48
Weight - Detail5,800 lbs. (2,630.9 kg)
Weight - Detail36,602 lbs. (16,602 kg)
Weight - kg2630.83
Weight - kg16602.37
Weight - lbs.58
Weight - lbs.36602
Length - Meters8.08
Length - Metersnot available
Length - Feet26
Length - Feet45.58
Length - Inches6
Length - Inchesnot available
Length overall - Detail26 ft. 6 in. (8.08 m)
Length overall - Detail45 ft. 7 in. (13.9 m)
Length overall - Meters8.08
Length overall - Meters13.89
Length overall - Inches318
Length overall - Inches547
Length [over all with swim platform]not available
Length [over all with swim platform]47 ft. 3 in. (15.44 m)
Engine and Drivetrain
Engine/s standardMX6.2L MPI Bravo? III MCM Stern Drive (320 hp - 239 kw)
Engine/s standardTwin QSB 480 Zeus drives with joystick control
Fuel tank capacity - Detail85 gal. (321.7 l)
Fuel tank capacity - Detail375 gal. (1,418 l)
Fuel tank capacity - Liters321.76
Fuel tank capacity - Liters1419.53
Fuel tank capacity - Gal85
Fuel tank capacity - Gal375
Drive typeI/O
Drive typePod Drive
Engine makenot available
Engine makeCummins®
Fuel typenot available
Fuel typeDiesel
Horsepowernot available
HorsepowerTwin 480 php (353 kW)
Operational Info
Water capacity24 gal. (90.8 l)
Water capacity130 gal. (492 l)
Holding tank capacity - DetailOptional 10 gal. (37.9 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
Body / Hull
Hull materialnot available
Hull materialFiberglass
Hull typenot available
Hull typeSemi Displacement