Detailed Evaluation & Buyer Recommendation
Sea Ray 305 Sundancer 2012 vs Sea Ray 520 Sedan Bridge 2011 — Same Brand, Different Boat
Matching a deep vee Sea Ray 305 Sundancer 2012 against a semi displacement Sea Ray 520 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 520 Sedan Bridge 2011 measures 52,3 feet overall (2011), giving it roughly 19,0 additional feet of deck space compared to the Sea Ray 305 Sundancer 2012 at 33,3 feet (2012). Weight tells a clearer story for trailering families: the Sea Ray 305 Sundancer 2012 tips the scales at 863 lbs — 821 lbs more than the Sea Ray 520 Sedan Bridge 2011 at 42 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 764 hp, the Sea Ray 520 Sedan Bridge 2011 has a 504-hp advantage over the Sea Ray 305 Sundancer 2012's 260-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 520 Sedan Bridge 2011 carries 5 gallons versus 1 gallons in the Sea Ray 305 Sundancer 2012. 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 520 Sedan Bridge 2011 is rated for 15 passengers, while the Sea Ray 305 Sundancer 2012 caps at 10. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Sea Ray 520 Sedan Bridge 2011 could be the deciding factor.
Bottom line: Choose the Sea Ray 520 Sedan Bridge 2011 if your priority is putting more people on the water — it handles 15 passengers and at 52,3 ft it has the deck room to back that rating up comfortably. The Sea Ray 305 Sundancer 2012 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 10 that costs less to run day-to-day.
General Boat Info
Model305 Sundancer?
Model520 Sedan Bridge
Model Year2012
Model Year2011
Measurements / Dimensions
Beam9 ft. 3 in. (2.84 m)
Beam15 ft. 3 in. (4.65 m)
Beam - Meters2.82
Beam - Meters4.65
Beam - Inches111
Beam - Inches183
Deadrise21℃
Deadrise15℃
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: 51 in. (130 cm)
Draft [max] - Meters0.99
Draft [max] - Meters1.3
Draft [max] - Inches39
Draft [max] - Inches51
Weight - Detail8,630 lbs. (3,900 kg)
Weight - Detail42,000 lbs. (19,051 kg)
Weight - kg3914.5
Weight - kg19050.86
Weight - lbs.863
Weight - lbs.42
Length - Feet33.25
Length - Feet52.25
Length overall - Detail33 ft. 3 in. (10.14 m)
Length overall - Detail52 ft. 3 in. (16 m)
Length overall - Meters10.13
Length overall - Meters15.93
Length overall - Inches399
Length overall - Inches627
Length [over all with swim platform]not available
Length [over all with swim platform]With Optional Swim Platform: 56 ft. 5 in. (17.2 m)
Body / Hull
Hull materialFiberglass
Hull materialFiberglass
Hull typeDeep Vee
Hull typeSemi Displacement
Engine and Drivetrain
Engine makeMerCruiser®
Engine makenot available
Engine/s standardT-4.3L MPI Bravo? III stern drive
Engine/s standardTwin Cummins® MerCruiser? QSM11 670 diesel inboards with DTS
Fuel tank capacity - Detail100 gal. (378 l)
Fuel tank capacity - Detail500 gal. (1,892 l)
Fuel tank capacity - Liters378.54
Fuel tank capacity - Liters1892.71
Fuel tank capacity - Gal1
Fuel tank capacity - Gal5
Fuel typeGas or Diesel
Fuel typeDiesel
Drive typeI/O - Twin
Drive typeInboard - Twin
HorsepowerTwin 220 hp (164 kW)
HorsepowerTwin 640 hp (477 kW)
Engine maxTwin 260 hp (194 kW)
Engine maxTwin 764 hp (588 kW)
Operational Info
Water capacity28 gal. (106 l)
Water capacity140 gal. (530 l)
Holding tank capacity - Detail28 gal. (106 l)
Holding tank capacity - Detail68 gal. (257 l)
Holding tank capacity - Liters105.99
Holding tank capacity - Liters257.41
Holding tank capacity - Gal28
Holding tank capacity - Gal68