Sea Ray SLX 400 2023 boat specs
Sea Ray
Sea Ray SLX 400 2023
2023
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VS
Sea Ray Sundancer 370 Outboard 2023 boat specs
Sea Ray
Sea Ray Sundancer 370 Outboard 2023
2023
View full specs →

Sea Ray SLX 400 2023 vs Sea Ray Sundancer 370 Outboard 2023: Same Brand, Different Boat

The Sea Ray SLX 400 2023 vs Sea Ray Sundancer 370 Outboard 2023 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 SLX 400 2023 at 39,6 ft versus Sea Ray Sundancer 370 Outboard 2023 at 39,9 ft. Weight tells a clearer story for trailering families: the Sea Ray Sundancer 370 Outboard 2023 tips the scales at 21 008 lbs - 214 lbs less than the Sea Ray SLX 400 2023 at 20 794 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 380 hp, the Sea Ray SLX 400 2023 has a 80-hp advantage over the Sea Ray Sundancer 370 Outboard 2023's 300-hp ceiling - enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Both carry nearly identical fuel loads - 250 gal and 250 gal - so range won't be a tiebreaker here.

Both boats are rated for 12 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: Performance buyers should lean toward the Sea Ray SLX 400 2023 and its 380-hp ceiling. If fuel economy and quieter running matter more than top-end speed, the Sea Ray Sundancer 370 Outboard 2023 with its 300-hp rating is the more economical daily driver.
Measurements / Dimensions
Length overall - Detail39.60 ft
Length overall - Detail39.90 ft
Length - Feet39.6
Length - Feet39.9
Length overall - Meters12.07
Length overall - Meters12.16
Length overall - Inches475
Length overall - Inches479
Beam12.10 ft
Beam12.00 ft
Beam - Meters3.69
Beam - Meters3.66
Beam - Inches145
Beam - Inches144
Draft [max] - Detail4.40 ft
Draft [max] - Detail4.30 ft
Draft [max] - Meters1.34
Draft [max] - Meters1.31
Draft [max] - Inches53
Draft [max] - Inches52
Draft Min3.30 ft
Draft Min3.10 ft
Displacement20794.00 lbs
Displacement21008.00 lbs
Engine and Drivetrain
Fuel tank capacity - Gal250
Fuel tank capacity - Gal250
Fuel tank capacity - Liters946.35
Fuel tank capacity - Liters946.35
Engine makeMercruiser
Engine makeMercury
Engine model8.2 MAG ECTBravo
Engine model300 Verado
Horsepower380 hp
Horsepower300 hp
Fuel typeGas
Fuel typenot available
Engine 2 Engine MakeMercruiser
Engine 2 Engine MakeMercury
Engine 2 Engine Model8.2 MAG ECTBravo
Engine 2 Engine Model300 Verado
Engine 2 Horsepower380 hp
Engine 2 Horsepower300 hp
Drive typenot available
Drive typeoutboard
Engine 2 Drive Typenot available
Engine 2 Drive Typeoutboard
Engine 3 Engine Makenot available
Engine 3 Engine MakeMercury
Engine 3 Engine Modelnot available
Engine 3 Engine Model300 Verado
Engine 3 Horsepowernot available
Engine 3 Horsepower300 hp
Engine 3 Drive Typenot available
Engine 3 Drive Typeoutboard
Operational Info
Sleeping capacity4
Sleeping capacity4
Cabins1
Cabinsnot available
Head1
Head1
Water capacity50
Water capacity46
Boat typePower
Boat typePower

Sea Ray SLX 400 2023 vs Sea Ray Sundancer 370 Outboard 2023 - Common Questions

Which is the larger boat - the Sea Ray SLX 400 2023 or the Sea Ray Sundancer 370 Outboard 2023?
The Sea Ray Sundancer 370 Outboard 2023 is the longer of the two at 39,9 feet overall. The Sea Ray SLX 400 2023 comes in at 39,6 feet, making it roughly 0,3 ft shorter - a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer - the Sea Ray SLX 400 2023 or the Sea Ray Sundancer 370 Outboard 2023?
For trailering, the Sea Ray SLX 400 2023 has the edge at 20 794 lbs dry weight versus 21 008 lbs for the Sea Ray Sundancer 370 Outboard 2023. 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.
Which boat can handle a bigger outboard?
The Sea Ray SLX 400 2023 is rated to a maximum of 380 hp, giving it the larger power ceiling. The Sea Ray Sundancer 370 Outboard 2023 tops out at 300 hp. Keep in mind that maximum ratings are just that - matching the motor to the actual load and usage pattern usually matters more than chasing the ceiling.
How many people can each boat hold?
The Sea Ray SLX 400 2023 is Coast Guard rated for 12 passengers, while the Sea Ray Sundancer 370 Outboard 2023 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 SLX 400 2023 measures 145" wide, compared to 144" for the Sea Ray Sundancer 370 Outboard 2023. 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 SLX 400 2023 and Sea Ray Sundancer 370 Outboard 2023?
Both boats carry similar fuel loads - 250 gallons and 250 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 SLX 400 2023 and Sea Ray Sundancer 370 Outboard 2023 from the same manufacturer?
Yes - both the Sea Ray SLX 400 2023 and the Sea Ray Sundancer 370 Outboard 2023 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.