Sea Ray SLX 400 2023 boat specs
Sea Ray
Sea Ray SLX 400 2023
2023
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VS
Sea Ray SPX 190 2022 boat specs
Sea Ray
Sea Ray SPX 190 2022
2022
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Sea Ray SLX 400 2023 vs Sea Ray SPX 190 2022 — Same Brand, Different Boat

The Sea Ray SLX 400 2023 vs Sea Ray SPX 190 2022 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 SLX 400 2023 measures 39,6 feet overall (2023), giving it roughly 20,0 additional feet of deck space compared to the Sea Ray SPX 190 2022 at 19,6 feet (2022). Weight tells a clearer story for trailering families: the Sea Ray SLX 400 2023 tips the scales at 20 794 lbs — 18 055 lbs more than the Sea Ray SPX 190 2022 at 2 739 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 180-hp advantage over the Sea Ray SPX 190 2022's 200-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 2023 carries 25 gallons versus 3 gallons in the Sea Ray SPX 190 2022. 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 SLX 400 2023 is rated for 12 passengers, while the Sea Ray SPX 190 2022 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Sea Ray SLX 400 2023 could be the deciding factor.

Bottom line: Choose the Sea Ray SLX 400 2023 if your priority is putting more people on the water — it handles 12 passengers and at 39,6 ft it has the deck room to back that rating up comfortably. The Sea Ray SPX 190 2022 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 5 that costs less to run day-to-day.
Measurements / Dimensions
Length overall - Detail39.60 ft
Length overall - Detail19.60 ft
Length - Feet39.6
Length - Feet19.6
Length overall - Meters12.07
Length overall - Meters5.97
Length overall - Inches475
Length overall - Inches235
Beam12.10 ft
Beam8.40 ft
Beam - Meters3.69
Beam - Meters2.56
Beam - Inches145
Beam - Inches101
Draft [max] - Detail4.40 ft
Draft [max] - Detail3.50 ft
Draft [max] - Meters1.34
Draft [max] - Meters1.07
Draft [max] - Inches53
Draft [max] - Inches42
Draft Min3.30 ft
Draft Min1.80 ft
Displacement20794.00 lbs
Displacement2739.00 lbs
Engine and Drivetrain
Fuel tank capacity - Gal25
Fuel tank capacity - Gal3
Fuel tank capacity - Liters946.35
Fuel tank capacity - Liters113.56
Engine makeMercruiser
Engine makeMercruiser
Engine model8.2 MAG ECTBravo
Engine model4.5L MPI ECT Alpha I
Horsepower380 hp
Horsepower200 hp
Fuel typeGas
Fuel typenot available
Engine 2 Engine MakeMercruiser
Engine 2 Engine Makenot available
Engine 2 Engine Model8.2 MAG ECTBravo
Engine 2 Engine Modelnot available
Engine 2 Horsepower380 hp
Engine 2 Horsepowernot available
Operational Info
Sleeping capacity4
Sleeping capacitynot available
Cabins1
Cabinsnot available
Head1
Headnot available
Water capacity5
Water capacitynot available
Boat typePower
Boat typePower

Sea Ray SLX 400 2023 vs Sea Ray SPX 190 2022 — Common Questions

Which is the larger boat — the Sea Ray SLX 400 2023 or the Sea Ray SPX 190 2022?
The Sea Ray SLX 400 2023 is the longer of the two at 39,6 feet overall. The Sea Ray SPX 190 2022 comes in at 19,6 feet, making it roughly 20,0 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 SPX 190 2022?
For trailering, the Sea Ray SPX 190 2022 has the edge at 2 739 lbs dry weight versus 20 794 lbs for the Sea Ray SLX 400 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 SPX 190 2022 tops out at 200 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 SPX 190 2022 is certified for 5. 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 101" for the Sea Ray SPX 190 2022. 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 SLX 400 2023 or the Sea Ray SPX 190 2022?
The Sea Ray SLX 400 2023 has the bigger tank at 25 gallons, versus 3 gallons on the Sea Ray SPX 190 2022. That 22-gallon difference translates to roughly 66–110 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Sea Ray SLX 400 2023 and Sea Ray SPX 190 2022 from the same manufacturer?
Yes — both the Sea Ray SLX 400 2023 and the Sea Ray SPX 190 2022 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.