Detailed Evaluation & Buyer Recommendation
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
Water capacitynot available
Water capacity2
Boat typenot available
Boat typePower