Sea Ray 390 Motor Yacht 2005 boat specs
Sea Ray
Sea Ray 390 Motor Yacht 2005
2005
View full specs →
VS
Sea Ray 44 Sundancer 2006 boat specs
Sea Ray
Sea Ray 44 Sundancer 2006
2006
View full specs →

Sea Ray 390 Motor Yacht 2005 vs Sea Ray 44 Sundancer 2006 — Same Brand, Different Boat

The Sea Ray 390 Motor Yacht 2005 vs Sea Ray 44 Sundancer 2006 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 44 Sundancer 2006 measures 45,0 feet overall (2006), giving it roughly 4,0 additional feet of deck space compared to the Sea Ray 390 Motor Yacht 2005 at 41,0 feet (2005). At 265 lbs and 225 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 44 Sundancer 2006 tops out at 478 hp. Engine specs for the Sea Ray 390 Motor Yacht 2005 aren't listed — confirm with a dealer before selecting an outboard.Fuel capacity breaks the other way: the Sea Ray 44 Sundancer 2006 carries 335 gallons versus 3 gallons in the Sea Ray 390 Motor Yacht 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 44 Sundancer 2006 is rated for 13 passengers, while the Sea Ray 390 Motor Yacht 2005 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 44 Sundancer 2006 could be the deciding factor.

Bottom line: Choose the Sea Ray 44 Sundancer 2006 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 390 Motor Yacht 2005 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
MakeSea Ray
Model390 Motor Yacht
Model44 Sundancer?
Model Year2005
Model Year2006
Measurements / Dimensions
Beam14 ft. 3 in. (4.34 m)
Beam14 ft. 0 in. (4.27 m)
Beam - Meters4.34
Beam - Meters4.27
Beam - Inches171
Beam - Inches168
Deadrise15℃
Deadrise19℃
Draft [max] - Detail36 in. (91.4 cm)
Draft [max] - Detail40 in. (101.6 cm)
Draft [max] - Meters0.91
Draft [max] - Meters1.02
Draft [max] - Inches36
Draft [max] - Inches4
Weight - Detail26,500 lbs. (12,020 kg)
Weight - Detail22,500 lbs. (10,205 kg)
Weight - kg12020.19
Weight - kg10205.82
Weight - lbs.265
Weight - lbs.225
Length - Meters12.72
Length - Meters13.72
Length - Feet41
Length - Feet45
Length - Inches9
Length - Inchesnot available
Length overall - Detail41 ft. 9 in. (12.72 m)
Length overall - Detail45 ft. 0 in. (13.72 m)
Length overall - Meters12.73
Length overall - Meters13.72
Length overall - Inches501
Length overall - Inches54
Engine and Drivetrain
Engine/s standardT-8.1 S Horizon MerCruiser? Gasoline Inboards (T-370 hp - 276 kw)
Engine/s standardT-VD-8.1 S Horizon MerCruiser? - T-370 hp (276 kW)
Fuel tank capacity - Detail300 gal. (1,136 l)
Fuel tank capacity - Detail335 gal. (1,268 l)
Fuel tank capacity - Liters1135.62
Fuel tank capacity - Liters1268.11
Fuel tank capacity - Gal3
Fuel tank capacity - Gal335
Drive typeInboard
Drive typeInboard
Fuel typenot available
Fuel typeGas or Diesel
Engine maxnot available
Engine maxT-478 hp
Operational Info
Water capacity100 gal. (378.5 l)
Water capacity100 gal. (378.5 l)
Holding tank capacity - Detail54 gal. (204.4 l)
Holding tank capacity - Detail42 gal. (159 l)
Holding tank capacity - Liters204.41
Holding tank capacity - Liters158.99
Holding tank capacity - Gal54
Holding tank capacity - Gal42

Sea Ray 390 Motor Yacht 2005 vs Sea Ray 44 Sundancer 2006 — Common Questions

Which is the larger boat — the Sea Ray 390 Motor Yacht 2005 or the Sea Ray 44 Sundancer 2006?
The Sea Ray 44 Sundancer 2006 is the longer of the two at 45,0 feet overall. The Sea Ray 390 Motor Yacht 2005 comes in at 41,0 feet, making it roughly 4,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Sea Ray 390 Motor Yacht 2005 or the Sea Ray 44 Sundancer 2006?
For trailering, the Sea Ray 44 Sundancer 2006 has the edge at 225 lbs dry weight versus 265 lbs for the Sea Ray 390 Motor Yacht 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 44 Sundancer 2006 has a documented max rating of 478 hp. Engine specifications for the Sea Ray 390 Motor Yacht 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 390 Motor Yacht 2005 is Coast Guard rated for 12 passengers, while the Sea Ray 44 Sundancer 2006 is certified for 13. 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 390 Motor Yacht 2005 measures 171" wide, compared to 168" for the Sea Ray 44 Sundancer 2006. 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 390 Motor Yacht 2005 or the Sea Ray 44 Sundancer 2006?
The Sea Ray 44 Sundancer 2006 has the bigger tank at 335 gallons, versus 3 gallons on the Sea Ray 390 Motor Yacht 2005. That 332-gallon difference translates to roughly 996–1660 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Sea Ray 390 Motor Yacht 2005 and Sea Ray 44 Sundancer 2006 from the same manufacturer?
Yes — both the Sea Ray 390 Motor Yacht 2005 and the Sea Ray 44 Sundancer 2006 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.