Sea Ray 420 Sundancer® 2005 boat specs
Sea Ray
Sea Ray 420 Sundancer® 2005
2005
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VS
Sea Ray Sundancer 380 2003 boat specs
Sea Ray
Sea Ray Sundancer 380 2003
2003
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Sea Ray 420 Sundancer® 2005 vs Sea Ray Sundancer 380 2003: Same Brand, Different Boat

The Sea Ray 420 Sundancer® 2005 vs Sea Ray Sundancer 380 2003 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 Sundancer® 2005 at 45,0 ft versus Sea Ray Sundancer 380 2003 at 42,0 ft. Weight tells a clearer story for trailering families: the Sea Ray 420 Sundancer® 2005 tips the scales at 22 500 lbs - 2 500 lbs more than the Sea Ray Sundancer 380 2003 at 20 000 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 Sundancer 380 2003 tops out at 350 hp. Engine specs for the Sea Ray 420 Sundancer® 2005 aren't listed - confirm with a dealer before selecting an outboard.Fuel capacity breaks the other way: the Sea Ray 420 Sundancer® 2005 carries 335 gallons versus 275 gallons in the Sea Ray Sundancer 380 2003. 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 420 Sundancer® 2005 is rated for 13 passengers, while the Sea Ray Sundancer 380 2003 caps at 12. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Sea Ray 420 Sundancer® 2005 could be the deciding factor.

Bottom line: Choose the Sea Ray 420 Sundancer® 2005 if your priority is putting more people on the water - it handles 13 passengers and at 45,0 ft it has the deck room to back that rating up comfortably. The Sea Ray Sundancer 380 2003 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 12 that costs less to run day-to-day.
General Boat Info
MakeSea Ray
Makenot available
Model420 Sundancer®
Modelnot available
Model Year2005
Model Yearnot available
Measurements / Dimensions
Beam14 ft. 0 in. (4.27 m)
Beam13.00 ft
Beam - Meters4.27
Beam - Meters3.96
Beam - Inches168
Beam - Inches156
Deadrise19℃
Deadrisenot available
Draft [max] - Detail40 in. (101.6 cm)
Draft [max] - Detail3.40 ft
Draft [max] - Meters1.02
Draft [max] - Meters1.04
Draft [max] - Inches40
Draft [max] - Inches41
Weight - Detail22,500 lbs. (10,205 kg)
Weight - Detailnot available
Weight - kg10205.82
Weight - kgnot available
Weight - lbs.22500
Weight - lbs.not available
Length - Meters13.72
Length - Metersnot available
Length - Feet45
Length - Feet42
Length overall - Detail45 ft. 0 in. (13.72 m)
Length overall - Detail42.00 ft
Length overall - Meters13.72
Length overall - Meters12.8
Length overall - Inches540
Length overall - Inches504
Displacementnot available
Displacement20000.00 lbs
Engine and Drivetrain
Engine/s standardT-VD-8.1 S Horizon MerCruiser? Gasoline Inboards (T-370 hp - 276 kw)
Engine/s standardnot available
Fuel tank capacity - Detail335 gal. (1,268 l)
Fuel tank capacity - Detailnot available
Fuel tank capacity - Liters1268.11
Fuel tank capacity - Liters1040.99
Fuel tank capacity - Gal335
Fuel tank capacity - Gal275
Drive typeInboard
Drive typeinboard
Engine makenot available
Engine makeCaterpillar
Engine modelnot available
Engine model3126
Horsepowernot available
Horsepower350 hp
Fuel typenot available
Fuel typeDiesel
Engine 2 Engine Makenot available
Engine 2 Engine MakeCaterpillar
Engine 2 Engine Modelnot available
Engine 2 Engine Model3126
Engine 2 Horsepowernot available
Engine 2 Horsepower350 hp
Engine 2 Fuel Typenot available
Engine 2 Fuel TypeDiesel
Engine 2 Drive Typenot available
Engine 2 Drive Typeinboard
Operational Info
Water capacity100 gal. (378.5 l)
Water capacity70
Holding tank capacity - Detail42 gal. (159 l)
Holding tank capacity - Detailnot available
Holding tank capacity - Liters158.99
Holding tank capacity - Liters158.99
Holding tank capacity - Gal42
Holding tank capacity - Gal42
Sleeping capacitynot available
Sleeping capacity6
Headnot available
Head1
Boat typenot available
Boat typePower

Sea Ray 420 Sundancer® 2005 vs Sea Ray Sundancer 380 2003 - Common Questions

Which is the larger boat - the Sea Ray 420 Sundancer® 2005 or the Sea Ray Sundancer 380 2003?
The Sea Ray 420 Sundancer® 2005 is the longer of the two at 45,0 feet overall. The Sea Ray Sundancer 380 2003 comes in at 42,0 feet, making it roughly 3,0 ft shorter - a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer - the Sea Ray 420 Sundancer® 2005 or the Sea Ray Sundancer 380 2003?
For trailering, the Sea Ray Sundancer 380 2003 has the edge at 20 000 lbs dry weight versus 22 500 lbs for the Sea Ray 420 Sundancer® 2005. 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 Sundancer 380 2003 has a documented max rating of 350 hp. Engine specifications for the Sea Ray 420 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 420 Sundancer® 2005 is Coast Guard rated for 13 passengers, while the Sea Ray Sundancer 380 2003 is certified for 12. 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 420 Sundancer® 2005 measures 168" wide, compared to 156" for the Sea Ray Sundancer 380 2003. 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.
Which boat has the larger fuel tank - the Sea Ray 420 Sundancer® 2005 or the Sea Ray Sundancer 380 2003?
The Sea Ray 420 Sundancer® 2005 has the bigger tank at 335 gallons, versus 275 gallons on the Sea Ray Sundancer 380 2003. That 60-gallon difference translates to roughly 180–300 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Sea Ray 420 Sundancer® 2005 and Sea Ray Sundancer 380 2003 from the same manufacturer?
Yes - both the Sea Ray 420 Sundancer® 2005 and the Sea Ray Sundancer 380 2003 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.