Sea Ray 205 Sport 2010 boat specs
Sea Ray
Sea Ray 205 Sport 2010
2010
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VS
Sea Ray 300 SLX® 2012 boat specs
Sea Ray
Sea Ray 300 SLX® 2012
2012
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Sea Ray 205 Sport 2010 vs Sea Ray 300 SLX® 2012 — Same Brand, Different Boat

Matching a modified vee Sea Ray 205 Sport 2010 against a deep vee Sea Ray 300 SLX® 2012 means you're likely deciding between two genuinely different on-water experiences. Hull type shapes everything from ride quality and fuel burn to dock handling and resale trajectory.

Size is the most obvious dividing line here. The Sea Ray 300 SLX® 2012 measures 29,5 feet overall (2012), giving it roughly 8,5 additional feet of deck space compared to the Sea Ray 205 Sport 2010 at 21,0 feet (2010). Weight tells a clearer story for trailering families: the Sea Ray 205 Sport 2010 tips the scales at 315 lbs — 238 lbs more than the Sea Ray 300 SLX® 2012 at 77 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 260 hp, the Sea Ray 205 Sport 2010 has a 258-hp advantage over the Sea Ray 300 SLX® 2012's 2-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 205 Sport 2010 carries 37 gallons versus 13 gallons in the Sea Ray 300 SLX® 2012. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

Both boats are rated for 8 passengers — a good fit for a family of four or five plus guests. Comfort at capacity is another matter; the longer hull typically means more seat options and better weight distribution.

Bottom line: The Sea Ray 300 SLX® 2012 at 29,5 ft is the right call if deck space, comfort, and entertaining are top of your list. The Sea Ray 205 Sport 2010 at 21,0 ft wins on trailering ease, likely lower purchase price, and simpler docking — a solid choice for a buyer who wants more boat for less money.
General Boat Info
MakeSea Ray
MakeSea Ray
Model205 Sport
Model300 SLX®
Model Year201
Model Year2012
Measurements / Dimensions
Beam8 ft. 0 in. (2.43 m)
Beam9 ft. 8 in. (2.95 cm)
Beam - Meters2.44
Beam - Meters2.95
Beam - Inches96
Beam - Inches116
Deadrise18℃
Deadrise21°
Draft [drive up] - Detail19 in. (50 cm)
Draft [drive up] - Detail23 in. (58.4 cm)
Draft [drive up] meters0.48
Draft [drive up] meters0.58
Draft [drive up] inches19
Draft [drive up] inches23
Draft [max] - Detail35 in. (88.9 cm)
Draft [max] - Detail38 in. (96.5 cm)
Draft [max] - Meters0.89
Draft [max] - Meters0.97
Draft [max] - Inches35
Draft [max] - Inches38
Weight - Detail3,150 lbs. (1,429 kg)
Weight - Detail7,700 lbs. (3,493 kg)
Weight - kg1428.81
Weight - kg3492.66
Weight - lbs.315
Weight - lbs.77
Length - Feet21
Length - Feet29.5
Length overall - Detail21 ft. (6.4 m)
Length overall - Detail29 ft. 6 in. (8.99 m)
Length overall - Meters6.4
Length overall - Meters8.99
Length overall - Inches252
Length overall - Inches354
Body / Hull
Hull materialFiberglass
Hull materialFiberglass
Hull typeModified Vee
Hull typeDeep Vee
Engine and Drivetrain
Engine makeMerCruiser®
Engine makeMerCuriser®
Engine/s standard5.0L Alpha I MCM with turn-key start
Engine/s standard8.2 MAG ECT DTS Bravo® III stern drive
Fuel tank capacity - Detail37 gal. (140 l)
Fuel tank capacity - Detail130 gal. (492.1 l)
Fuel tank capacity - Liters140.06
Fuel tank capacity - Liters492.1
Fuel tank capacity - Gal37
Fuel tank capacity - Gal13
Fuel typeGas
Fuel typeGas
Drive typeI/O
Drive typeI/O
Horsepower220 hp (164 kW)
Horsepower380 hp
Engine max260 hp (194 kW)
Engine max(2) 300 hp
Operational Info
Maximum capacity1,200 lbs. (544 kg)
Maximum capacitynot available
Maximum people8 / 1,120 lbs. (508 kg)
Maximum peoplenot available
Water capacitynot available
Water capacity24 gal. (90 l)
Holding tank capacity - Detailnot available
Holding tank capacity - Detail20 gal. (75 l)
Holding tank capacity - Litersnot available
Holding tank capacity - Liters75.71
Holding tank capacity - Galnot available
Holding tank capacity - Gal2
Trailer Info
Trailer - DetailTandem-axle, painted
Trailer - Detailnot available

Sea Ray 205 Sport 2010 vs Sea Ray 300 SLX® 2012 — Common Questions

Which is the larger boat — the Sea Ray 205 Sport 2010 or the Sea Ray 300 SLX® 2012?
The Sea Ray 300 SLX® 2012 is the longer of the two at 29,5 feet overall. The Sea Ray 205 Sport 2010 comes in at 21,0 feet, making it roughly 8,5 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Sea Ray 205 Sport 2010 or the Sea Ray 300 SLX® 2012?
For trailering, the Sea Ray 300 SLX® 2012 has the edge at 77 lbs dry weight versus 315 lbs for the Sea Ray 205 Sport 2010. 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 205 Sport 2010 is rated to a maximum of 260 hp, giving it the larger power ceiling. The Sea Ray 300 SLX® 2012 tops out at 2 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 205 Sport 2010 is Coast Guard rated for 8 passengers, while the Sea Ray 300 SLX® 2012 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 300 SLX® 2012 measures 116" wide, compared to 96" for the Sea Ray 205 Sport 2010. 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 205 Sport 2010 or the Sea Ray 300 SLX® 2012?
The Sea Ray 205 Sport 2010 has the bigger tank at 37 gallons, versus 13 gallons on the Sea Ray 300 SLX® 2012. That 24-gallon difference translates to roughly 72–120 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Sea Ray 205 Sport 2010 and Sea Ray 300 SLX® 2012 from the same manufacturer?
Yes — both the Sea Ray 205 Sport 2010 and the Sea Ray 300 SLX® 2012 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.