Sea Ray 180 Sport 2005 boat specs
Sea Ray
Sea Ray 180 Sport 2005
2005
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VS
Sea Ray SDX 270 Outboard 2018 boat specs
Sea Ray
Sea Ray SDX 270 Outboard 2018
2018
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Sea Ray 180 Sport 2005 vs Sea Ray SDX 270 Outboard 2018 — Same Brand, Different Boat

The Sea Ray 180 Sport 2005 vs Sea Ray SDX 270 Outboard 2018 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 SDX 270 Outboard 2018 measures 29,2 feet overall (2018), giving it roughly 12,2 additional feet of deck space compared to the Sea Ray 180 Sport 2005 at 17,0 feet (2005). Weight tells a clearer story for trailering families: the Sea Ray SDX 270 Outboard 2018 tips the scales at 5 660 lbs — 5 639 lbs less than the Sea Ray 180 Sport 2005 at 21 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 SDX 270 Outboard 2018 tops out at 250 hp. Engine specs for the Sea Ray 180 Sport 2005 aren't listed — confirm with a dealer before selecting an outboard.Fuel capacity breaks the other way: the Sea Ray SDX 270 Outboard 2018 carries 65 gallons versus 21 gallons in the Sea Ray 180 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 SDX 270 Outboard 2018 is rated for 8 passengers, while the Sea Ray 180 Sport 2005 caps at 7. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Sea Ray SDX 270 Outboard 2018 could be the deciding factor.

Bottom line: Choose the Sea Ray SDX 270 Outboard 2018 if your priority is putting more people on the water — it handles 8 passengers and at 29,2 ft it has the deck room to back that rating up comfortably. The Sea Ray 180 Sport 2005 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 7 that costs less to run day-to-day.
General Boat Info
MakeSea Ray
Makenot available
Model180 Sport
Modelnot available
Model Year2005
Model Yearnot available
Measurements / Dimensions
Beam70 in. (2.13 m)
Beam8.60 ft
Beam - Meters1.78
Beam - Meters2.62
Beam - Inches7
Beam - Inches103
Deadrise19℃
Deadrisenot available
Draft [drive up] - Detail18 in. (45.7 cm)
Draft [drive up] - Detailnot available
Draft [drive up] meters0.46
Draft [drive up] metersnot available
Draft [drive up] inches18
Draft [drive up] inchesnot available
Draft [max] - Detail35 in. (88.9 cm)
Draft [max] - Detail3.20 ft
Draft [max] - Meters0.89
Draft [max] - Meters0.98
Draft [max] - Inches35
Draft [max] - Inches38
Weight - Detail2,100 lbs. (953 kg)
Weight - Detailnot available
Weight - kg952.54
Weight - kgnot available
Weight - lbs.21
Weight - lbs.not available
Length - Meters5.33
Length - Metersnot available
Length - Feet17
Length - Feet29.2
Length - Inches6
Length - Inchesnot available
Length overall - Detail17 ft. 6 in. (5.33 m)
Length overall - Detail29.20 ft
Length overall - Meters5.33
Length overall - Meters8.9
Length overall - Inches21
Length overall - Inches350
Draft Minnot available
Draft Min2.20 ft
Displacementnot available
Displacement5660.00 lbs
Engine and Drivetrain
Engine/s standard3.0L Alpha I MCM Stern Drive (135 hp - 101 kw)
Engine/s standardnot available
Fuel tank capacity - Detail21 gal. (79.5 l)
Fuel tank capacity - Detailnot available
Fuel tank capacity - Liters79.49
Fuel tank capacity - Liters246.05
Fuel tank capacity - Gal21
Fuel tank capacity - Gal65
Drive typeI/O
Drive typeoutboard
Engine makenot available
Engine makeMercury
Engine modelnot available
Engine model250HP Verado®
Horsepowernot available
Horsepower250 hp
Fuel typenot available
Fuel typeGas
Operational Info
Maximum capacity980 lbs. (444.5 kg)
Maximum capacitynot available
Maximum people7
Maximum peoplenot available
Headnot available
Head1
Water capacitynot available
Water capacity2
Boat typenot available
Boat typePower

Sea Ray 180 Sport 2005 vs Sea Ray SDX 270 Outboard 2018 — Common Questions

Which is the larger boat — the Sea Ray 180 Sport 2005 or the Sea Ray SDX 270 Outboard 2018?
The Sea Ray SDX 270 Outboard 2018 is the longer of the two at 29,2 feet overall. The Sea Ray 180 Sport 2005 comes in at 17,0 feet, making it roughly 12,2 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Sea Ray 180 Sport 2005 or the Sea Ray SDX 270 Outboard 2018?
For trailering, the Sea Ray 180 Sport 2005 has the edge at 21 lbs dry weight versus 5 660 lbs for the Sea Ray SDX 270 Outboard 2018. 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 SDX 270 Outboard 2018 has a documented max rating of 250 hp. Engine specifications for the Sea Ray 180 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 180 Sport 2005 is Coast Guard rated for 7 passengers, while the Sea Ray SDX 270 Outboard 2018 is certified for 8. 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 SDX 270 Outboard 2018 measures 103" wide, compared to 7" for the Sea Ray 180 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 180 Sport 2005 or the Sea Ray SDX 270 Outboard 2018?
The Sea Ray SDX 270 Outboard 2018 has the bigger tank at 65 gallons, versus 21 gallons on the Sea Ray 180 Sport 2005. That 44-gallon difference translates to roughly 132–220 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Sea Ray 180 Sport 2005 and Sea Ray SDX 270 Outboard 2018 from the same manufacturer?
Yes — both the Sea Ray 180 Sport 2005 and the Sea Ray SDX 270 Outboard 2018 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.