Sea Ray 185 Sport 2005 boat specs
Sea Ray
Sea Ray 185 Sport 2005
2005
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VS
Sea Ray 270 SLX® 2011 boat specs
Sea Ray
Sea Ray 270 SLX® 2011
2011
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Sea Ray 185 Sport 2005 vs Sea Ray 270 SLX® 2011 — Same Brand, Different Boat

The Sea Ray 185 Sport 2005 vs Sea Ray 270 SLX® 2011 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 270 SLX® 2011 measures 28,5 feet overall (2011), giving it roughly 10,5 additional feet of deck space compared to the Sea Ray 185 Sport 2005 at 18,0 feet (2005). Weight tells a clearer story for trailering families: the Sea Ray 270 SLX® 2011 tips the scales at 6 016 lbs — 5 751 lbs less than the Sea Ray 185 Sport 2005 at 265 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 270 SLX® 2011 tops out at 430 hp. Engine specs for the Sea Ray 185 Sport 2005 aren't listed — confirm with a dealer before selecting an outboard.Fuel capacity breaks the other way: the Sea Ray 270 SLX® 2011 carries 94 gallons versus 26 gallons in the Sea Ray 185 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 270 SLX® 2011 is rated for 8 passengers, while the Sea Ray 185 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 270 SLX® 2011 could be the deciding factor.

Bottom line: Choose the Sea Ray 270 SLX® 2011 if your priority is putting more people on the water — it handles 8 passengers and at 28,5 ft it has the deck room to back that rating up comfortably. The Sea Ray 185 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
MakeSea Ray
Model185 Sport
Model270 SLX®
Model Year2005
Model Year2011
Measurements / Dimensions
Beam76 in. (2.29 m)
Beam9 ft. (2.74 m)
Beam - Meters1.93
Beam - Meters2.74
Beam - Inches76
Beam - Inches108
Deadrise19℃
Deadrise21°
Draft [drive up] - Detail18 in. (45.7 cm)
Draft [drive up] - Detail21 in. (53.34 cm)
Draft [drive up] meters0.46
Draft [drive up] meters0.53
Draft [drive up] inches18
Draft [drive up] inches21
Draft [max] - Detail36 in. (91.4 cm)
Draft [max] - Detail36 in. (91.44 cm)
Draft [max] - Meters0.91
Draft [max] - Meters0.91
Draft [max] - Inches36
Draft [max] - Inches36
Weight - Detail2,650 lbs. (1,202 kg)
Weight - Detail6,016 lbs. (2,729 kg)
Weight - kg1202.02
Weight - kg2728.81
Weight - lbs.265
Weight - lbs.6016
Length - Meters5.64
Length - Metersnot available
Length - Feet18
Length - Feet28.5
Length - Inches6
Length - Inchesnot available
Length overall - Detail18 ft. 6 in. (5.64 m)
Length overall - Detail28 ft. 6 in. (8.69 m)
Length overall - Meters5.64
Length overall - Meters8.69
Length overall - Inches222
Length overall - Inches342
Engine and Drivetrain
Engine/s standard3.0L Alpha I MCM Stern Drive (135 hp - 101 kw)
Engine/s standard350 MAG MPI ECT DTS Bravo® III sterndrive
Fuel tank capacity - Detail26 gal. (98.4 l)
Fuel tank capacity - Detail94 gal. (355 l)
Fuel tank capacity - Liters98.42
Fuel tank capacity - Liters355.83
Fuel tank capacity - Gal26
Fuel tank capacity - Gal94
Drive typeI/O
Drive typeI/O
Engine makenot available
Engine makeMerCruiser®
Fuel typenot available
Fuel typeGas
Horsepowernot available
Horsepower300 hp
Engine maxnot available
Engine max430 hp
Operational Info
Maximum capacity1,200 lbs. (544.3 kg)
Maximum capacitynot available
Maximum people7
Maximum peoplenot available
Water capacitynot available
Water capacity21 gal. (79.5 l)
Holding tank capacity - Detailnot available
Holding tank capacity - DetailOptional: 10 gal. (37.8 l)
Holding tank capacity - Litersnot available
Holding tank capacity - Liters37.85
Holding tank capacity - Galnot available
Holding tank capacity - Gal1
Body / Hull
Hull materialnot available
Hull materialFiberglass
Hull typenot available
Hull typeModified Vee

Sea Ray 185 Sport 2005 vs Sea Ray 270 SLX® 2011 — Common Questions

Which is the larger boat — the Sea Ray 185 Sport 2005 or the Sea Ray 270 SLX® 2011?
The Sea Ray 270 SLX® 2011 is the longer of the two at 28,5 feet overall. The Sea Ray 185 Sport 2005 comes in at 18,0 feet, making it roughly 10,5 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Sea Ray 185 Sport 2005 or the Sea Ray 270 SLX® 2011?
For trailering, the Sea Ray 185 Sport 2005 has the edge at 265 lbs dry weight versus 6 016 lbs for the Sea Ray 270 SLX® 2011. 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 270 SLX® 2011 has a documented max rating of 430 hp. Engine specifications for the Sea Ray 185 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 Sport 2005 is Coast Guard rated for 7 passengers, while the Sea Ray 270 SLX® 2011 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 270 SLX® 2011 measures 108" wide, compared to 76" for the Sea Ray 185 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 Sport 2005 or the Sea Ray 270 SLX® 2011?
The Sea Ray 270 SLX® 2011 has the bigger tank at 94 gallons, versus 26 gallons on the Sea Ray 185 Sport 2005. That 68-gallon difference translates to roughly 204–340 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Sea Ray 185 Sport 2005 and Sea Ray 270 SLX® 2011 from the same manufacturer?
Yes — both the Sea Ray 185 Sport 2005 and the Sea Ray 270 SLX® 2011 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.