Sea Ray 185 Outboard Sport 2005 boat specs
Sea Ray
Sea Ray 185 Outboard Sport 2005
2005
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VS
Sea Ray SLX 310 2022 boat specs
Sea Ray
Sea Ray SLX 310 2022
2022
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Sea Ray 185 Outboard Sport 2005 vs Sea Ray SLX 310 2022 — Same Brand, Different Boat

The Sea Ray 185 Outboard Sport 2005 vs Sea Ray SLX 310 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 310 2022 measures 31,6 feet overall (2022), giving it roughly 13,6 additional feet of deck space compared to the Sea Ray 185 Outboard Sport 2005 at 18,0 feet (2005). Weight tells a clearer story for trailering families: the Sea Ray SLX 310 2022 tips the scales at 10 787 lbs — 10 602 lbs less than the Sea Ray 185 Outboard Sport 2005 at 185 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 SLX 310 2022 tops out at 250 hp. Engine specs for the Sea Ray 185 Outboard Sport 2005 aren't listed — confirm with a dealer before selecting an outboard.Fuel capacity breaks the other way: the Sea Ray SLX 310 2022 carries 13 gallons versus 2 gallons in the Sea Ray 185 Outboard Sport 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 SLX 310 2022 is rated for 9 passengers, while the Sea Ray 185 Outboard Sport 2005 caps at 8. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Sea Ray SLX 310 2022 could be the deciding factor.

Bottom line: Choose the Sea Ray SLX 310 2022 if your priority is putting more people on the water — it handles 9 passengers and at 31,6 ft it has the deck room to back that rating up comfortably. The Sea Ray 185 Outboard Sport 2005 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 8 that costs less to run day-to-day.
General Boat Info
MakeSea Ray
Makenot available
Model185 Outboard Sport
Modelnot available
Model Year2005
Model Yearnot available
Measurements / Dimensions
Beam76 in. (2.29 m)
Beam10.20 ft
Beam - Meters1.93
Beam - Meters3.11
Beam - Inches76
Beam - Inches122
Deadrise19℃
Deadrisenot available
Draft [drive up] - Detail12 in. (30.5 cm)
Draft [drive up] - Detailnot available
Draft [drive up] meters0.3
Draft [drive up] metersnot available
Draft [drive up] inches12
Draft [drive up] inchesnot available
Draft [max] - Detail30 in. (76.2 cm)
Draft [max] - Detail3.80 ft
Draft [max] - Meters0.76
Draft [max] - Meters1.16
Draft [max] - Inches3
Draft [max] - Inches46
Weight - Detail1,850 lbs. (839 kg)
Weight - Detailnot available
Weight - kg839.15
Weight - kgnot available
Weight - lbs.185
Weight - lbs.not available
Length - Meters5.49
Length - Metersnot available
Length - Feet18
Length - Feet31.6
Length overall - Detail18 ft. 0 in. (5.49 m)
Length overall - Detail31.60 ft
Length overall - Meters5.49
Length overall - Meters9.63
Length overall - Inches216
Length overall - Inches379
Draft Minnot available
Draft Min2.80 ft
Displacementnot available
Displacement10787.00 lbs
Engine and Drivetrain
Engine/s standardMercury? 115 2-Stroke (115 hp - 86 kw)
Engine/s standardnot available
Fuel tank capacity - Detail20 gal. (75.7 l)
Fuel tank capacity - Detailnot available
Fuel tank capacity - Liters75.71
Fuel tank capacity - Liters492.1
Fuel tank capacity - Gal2
Fuel tank capacity - Gal13
Drive typeOutboard
Drive typenot available
Engine makenot available
Engine makeMercruiser
Engine modelnot available
Engine model4.5L MPI ECTBravo
Horsepowernot available
Horsepower250 hp
Fuel typenot available
Fuel typeGas
Engine 2 Engine Makenot available
Engine 2 Engine MakeMercruiser
Engine 2 Engine Modelnot available
Engine 2 Engine Model4.5L MPI ECTBravo
Engine 2 Horsepowernot available
Engine 2 Horsepower250 hp
Engine 2 Fuel Typenot available
Engine 2 Fuel TypeGas
Operational Info
Maximum capacity1,700 lbs. (771 kg)
Maximum capacitynot available
Maximum people8
Maximum peoplenot available
Headnot available
Head1
Water capacitynot available
Water capacity24
Boat typenot available
Boat typePower

Sea Ray 185 Outboard Sport 2005 vs Sea Ray SLX 310 2022 — Common Questions

Which is the larger boat — the Sea Ray 185 Outboard Sport 2005 or the Sea Ray SLX 310 2022?
The Sea Ray SLX 310 2022 is the longer of the two at 31,6 feet overall. The Sea Ray 185 Outboard Sport 2005 comes in at 18,0 feet, making it roughly 13,6 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Sea Ray 185 Outboard Sport 2005 or the Sea Ray SLX 310 2022?
For trailering, the Sea Ray 185 Outboard Sport 2005 has the edge at 185 lbs dry weight versus 10 787 lbs for the Sea Ray SLX 310 2022. 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 SLX 310 2022 has a documented max rating of 250 hp. Engine specifications for the Sea Ray 185 Outboard Sport 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 185 Outboard Sport 2005 is Coast Guard rated for 8 passengers, while the Sea Ray SLX 310 2022 is certified for 9. 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 310 2022 measures 122" wide, compared to 76" for the Sea Ray 185 Outboard Sport 2005. 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 185 Outboard Sport 2005 or the Sea Ray SLX 310 2022?
The Sea Ray SLX 310 2022 has the bigger tank at 13 gallons, versus 2 gallons on the Sea Ray 185 Outboard Sport 2005. That 11-gallon difference translates to roughly 33–55 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Sea Ray 185 Outboard Sport 2005 and Sea Ray SLX 310 2022 from the same manufacturer?
Yes — both the Sea Ray 185 Outboard Sport 2005 and the Sea Ray SLX 310 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.