Detailed Evaluation & Buyer Recommendation
Sea Ray 420 Sedan Bridge 2005 vs Sea Ray 470 Sundancer® 2010 — Same Brand, Different Boat
The Sea Ray 420 Sedan Bridge 2005 vs Sea Ray 470 Sundancer® 2010 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 420 Sedan Bridge 2005 at 45,0 ft versus Sea Ray 470 Sundancer® 2010 at 47,3 ft. At 285 lbs and 285 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 470 Sundancer® 2010 tops out at 474 hp. Engine specs for the Sea Ray 420 Sedan Bridge 2005 aren't listed — confirm with a dealer before selecting an outboard.Both carry nearly identical fuel loads — 35 gal and 35 gal — so range won't be a tiebreaker here.
For family outings this is probably the sharpest distinction between the two. The Sea Ray 470 Sundancer® 2010 is rated for 14 passengers, while the Sea Ray 420 Sedan Bridge 2005 caps at 13. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Sea Ray 470 Sundancer® 2010 could be the deciding factor.
Bottom line: Choose the Sea Ray 470 Sundancer® 2010 if your priority is putting more people on the water — it handles 14 passengers and at 47,3 ft it has the deck room to back that rating up comfortably. The Sea Ray 420 Sedan Bridge 2005 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 13 that costs less to run day-to-day.
General Boat Info
Model420 Sedan Bridge
Model470 Sundancer®
Model Year2005
Model Year201
Measurements / Dimensions
Beam14 ft. 3 in. (4.27 m)
Beam14 ft. 0 in. (4.27 m)
Beam - Meters4.34
Beam - Meters4.27
Beam - Inches171
Beam - Inches168
Deadrise18℃
Deadrise19℃
Draft [max] - Detail44 in. (111.8 cm)
Draft [max] - DetailZeus: 42 in. (107 cm)
Draft [max] - Meters1.12
Draft [max] - Meters1.07
Draft [max] - Inches44
Draft [max] - Inches42
Weight - Detail28,500 lbs. (12,927 kg)
Weight - Detail28,500 lbs. (12,928 kg)
Weight - kg12927.37
Weight - kg12927.37
Weight - lbs.285
Weight - lbs.285
Length - Meters13.84
Length - Metersnot available
Length - Feet45
Length - Feet47.25
Length - Inches5
Length - Inchesnot available
Length overall - Detail45 ft. 5 in. (13.84 m)
Length overall - Detail47 ft. 3 in. (14.4 m)
Length overall - Meters13.84
Length overall - Meters14.4
Length overall - Inches545
Length overall - Inches567
Engine and Drivetrain
Engine/s standardT-Cummins MerCruiser? 6CTA 8.3M Diesel Inboards (T-430 hp - 321 kw)
Engine/s standardCummins? MerCruiser? QSB 425 Twin Diesel Zeus drives
Fuel tank capacity - Detail350 gal. (1,324.8 l)
Fuel tank capacity - Detail350 gal. (1,325 l)
Fuel tank capacity - Liters1324.89
Fuel tank capacity - Liters1324.89
Fuel tank capacity - Gal35
Fuel tank capacity - Gal35
Drive typeInboard
Drive typeInboard - Twin
Fuel typenot available
Fuel typeDiesel
Horsepowernot available
HorsepowerTwin 420 hp (313 kW)
Engine maxnot available
Engine maxTwin 474 hp (353 kW)
Operational Info
Water capacity120 gal. (454 l)
Water capacity100 gal. (378 l)
Holding tank capacity - Detail42 gal. (159 l)
Holding tank capacity - Detail42 gal. (159 l)
Holding tank capacity - Liters158.99
Holding tank capacity - Liters158.99
Holding tank capacity - Gal42
Holding tank capacity - Gal42
Water heater capacitynot available
Water heater capacity6 gal. (26.4 l)
Body / Hull
Hull materialnot available
Hull materialFiberglass
Hull typenot available
Hull typeSemi Displacement