Sea Ray 48 Sundancer 2005 boat specs
Sea Ray
Sea Ray 48 Sundancer 2005
2005
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VS
Sea Ray 520 Sedan Bridge 2013 boat specs
Sea Ray
Sea Ray 520 Sedan Bridge 2013
2013
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Sea Ray 48 Sundancer 2005 vs Sea Ray 520 Sedan Bridge 2013 — Same Brand, Different Boat

The Sea Ray 48 Sundancer 2005 vs Sea Ray 520 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.

On paper these two are close siblings in the size department — Sea Ray 48 Sundancer 2005 at 51,0 ft versus Sea Ray 520 Sedan Bridge 2013 at 52,3 ft. At 28 lbs and 51 lbs respectively, both sit in a similar weight class — either should pair comfortably with most mid-size SUVs and half-ton trucks, though always confirm your specific tow rating with the motor added.

The Sea Ray 520 Sedan Bridge 2013 tops out at 641 hp. Engine specs for the Sea Ray 48 Sundancer 2005 aren't listed — confirm with a dealer before selecting an outboard.Both carry nearly identical fuel loads — 4 gal and 5 gal — so range won't be a tiebreaker here.

Both boats are rated for 15 passengers — a good fit for a family of four or five plus guests. Comfort at capacity is another matter; the longer hull typically means more seat options and better weight distribution.

Bottom line: The Sea Ray 48 Sundancer 2005 and Sea Ray 520 Sedan Bridge 2013 are closely matched on the specs that matter most. Test-ride both on the water you actually use, check current dealer pricing, and factor in long-term service access before you sign.
General Boat Info
MakeSea Ray
MakeSea Ray
Model48 Sundancer?
Model520 Sedan Bridge
Model Year2005
Model Year2013
Measurements / Dimensions
Beam14 ft. 8 in. (4.47 m)
Beam15 ft. 3 in. (4.65 m)
Beam - Meters4.47
Beam - Meters4.65
Beam - Inches176
Beam - Inches183
Deadrise19℃
Deadrise15℃
Draft [max] - Detail48 in. (122 cm)
Draft [max] - Detail51 in. (130 cm)
Draft [max] - Meters1.22
Draft [max] - Meters1.3
Draft [max] - Inches48
Draft [max] - Inches51
Weight - Detail28,000 lbs. (12,701 kg)
Weight - Detail51,000 lbs. (23,133 kg)
Weight - kg12700.58
Weight - kg23133.19
Weight - lbs.28
Weight - lbs.51
Length - Meters15.65
Length - Metersnot available
Length - Feet51
Length - Feet52.25
Length - Inches4
Length - Inchesnot available
Length overall - Detail51 ft. 4 in. (15.65 m)
Length overall - Detail52 ft. 3 in. (16 m)
Length overall - Meters15.65
Length overall - Meters15.93
Length overall - Inches616
Length overall - Inches627
Length [over all with swim platform]not available
Length [over all with swim platform]56 ft. 5 in. (17.2 m)
Engine and Drivetrain
Engine/s standardTwin Cummins 490 QSC V-Drive (T-469 php)
Engine/s standardTwin QSM-11 670 T2 with DTS
Fuel tank capacity - Detail400 gal. (1,514 l)
Fuel tank capacity - Detail500 gal. (1,892 l)
Fuel tank capacity - Liters1514.16
Fuel tank capacity - Liters1892.71
Fuel tank capacity - Gal4
Fuel tank capacity - Gal5
Drive typeInboard
Drive typeInboard - Twin
Engine makenot available
Engine makeCummins®
Fuel typenot available
Fuel typeDiesel
Horsepowernot available
HorsepowerTwin 641 php (477 kW)
Operational Info
Water capacity100 gal. (378.5 l)
Water capacity140 gal. (530 l)
Holding tank capacity - Detail60 gal. (227.1 l)
Holding tank capacity - Detail68 gal. (257 l)
Holding tank capacity - Liters227.12
Holding tank capacity - Liters257.41
Holding tank capacity - Gal6
Holding tank capacity - Gal68
Body / Hull
Hull materialnot available
Hull materialFiberglass
Hull typenot available
Hull typeSemi Displacement

Sea Ray 48 Sundancer 2005 vs Sea Ray 520 Sedan Bridge 2013 — Common Questions

Which is the larger boat — the Sea Ray 48 Sundancer 2005 or the Sea Ray 520 Sedan Bridge 2013?
The Sea Ray 520 Sedan Bridge 2013 is the longer of the two at 52,3 feet overall. The Sea Ray 48 Sundancer 2005 comes in at 51,0 feet, making it roughly 1,3 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Sea Ray 48 Sundancer 2005 or the Sea Ray 520 Sedan Bridge 2013?
For trailering, the Sea Ray 48 Sundancer 2005 has the edge at 28 lbs dry weight versus 51 lbs for the Sea Ray 520 Sedan Bridge 2013. 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.
What is the maximum horsepower rating for these boats?
The Sea Ray 520 Sedan Bridge 2013 has a documented max rating of 641 hp. Engine specifications for the Sea Ray 48 Sundancer 2005 were not available in our database — check the OEM spec sheet or manufacturer's website for confirmation.
How many people can each boat hold?
The Sea Ray 48 Sundancer 2005 is Coast Guard rated for 15 passengers, while the Sea Ray 520 Sedan Bridge 2013 is certified for 15. 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 520 Sedan Bridge 2013 measures 183" wide, compared to 176" for the Sea Ray 48 Sundancer 2005. 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.
How do the fuel tanks compare on the Sea Ray 48 Sundancer 2005 and Sea Ray 520 Sedan Bridge 2013?
Both boats carry similar fuel loads — 4 gallons and 5 gallons respectively. Range will depend heavily on motor choice, throttle usage, and whether you're on flat lake water or coastal chop.
Are the Sea Ray 48 Sundancer 2005 and Sea Ray 520 Sedan Bridge 2013 from the same manufacturer?
Yes — both the Sea Ray 48 Sundancer 2005 and the Sea Ray 520 Sedan Bridge 2013 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.