Detailed Evaluation & Buyer Recommendation
Sea Ray SLX 400 2023 vs Sea Ray SLX 400 Outboard 2023 — Same Brand, Different Boat
The Sea Ray SLX 400 2023 vs Sea Ray SLX 400 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 SLX 400 Outboard 2023 at 41,1 ft. Weight tells a clearer story for trailering families: the Sea Ray SLX 400 2023 tips the scales at 20 794 lbs — 2 257 lbs more than the Sea Ray SLX 400 Outboard 2023 at 18 537 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 SLX 400 Outboard 2023's 300-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 SLX 400 Outboard 2023 carries 375 gallons versus 25 gallons in the Sea Ray SLX 400 2023. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.
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 SLX 400 Outboard 2023 with its 300-hp rating is the more economical daily driver.
Measurements / Dimensions
Length overall - Detail39.60 ft
Length overall - Detail41.11 ft
Length - Feet39.6
Length - Feet41.11
Length overall - Meters12.07
Length overall - Meters12.53
Length overall - Inches475
Length overall - Inches493
Beam - Meters3.69
Beam - Meters3.69
Beam - Inches145
Beam - Inches145
Draft [max] - Detail4.40 ft
Draft [max] - Detail4.50 ft
Draft [max] - Meters1.34
Draft [max] - Meters1.37
Draft [max] - Inches53
Draft [max] - Inches54
Draft Min3.30 ft
Draft Min3.20 ft
Displacement20794.00 lbs
Displacement18537.00 lbs
Engine and Drivetrain
Fuel tank capacity - Gal25
Fuel tank capacity - Gal375
Fuel tank capacity - Liters946.35
Fuel tank capacity - Liters1419.53
Engine makeMercruiser
Engine makeMercury
Engine model8.2 MAG ECTBravo
Engine modelVerado
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 ModelVerado
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 ModelVerado
Engine 3 Horsepowernot available
Engine 3 Horsepower300 hp
Engine 3 Drive Typenot available
Engine 3 Drive Typeoutboard
Operational Info
Sleeping capacity4
Sleeping capacity4
Water capacity5
Water capacity5
Boat typePower
Boat typePower