Bennington 2577 RFSIO 2007 boat specs
Bennington
Bennington 2577 RFSIO 2007
2007
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VS
Bennington 25SL3 I/O 2010 boat specs
Bennington
Bennington 25SL3 I/O 2010
2010
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Bennington 2577 RFSIO 2007 vs Bennington 25SL3 I/O 2010 — Same Brand, Different Boat

The Bennington 2577 RFSIO 2007 vs Bennington 25SL3 I/O 2010 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.

On paper these two are close siblings in the size department — Bennington 2577 RFSIO 2007 at 25,0 ft versus Bennington 25SL3 I/O 2010 at 27,2 ft. Weight tells a clearer story for trailering families: the Bennington 25SL3 I/O 2010 tips the scales at 3 099 lbs — 2 740 lbs less than the Bennington 2577 RFSIO 2007 at 359 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.

Both boats share a closely matched power ceiling — 320 hp for the Bennington 2577 RFSIO 2007 and 320 hp for the Bennington 25SL3 I/O 2010. Real-world performance will come down more to which motor is actually bolted on, its load at the time, and whether it's a 4-stroke or 2-stroke setup.

For family outings this is probably the sharpest distinction between the two. The Bennington 2577 RFSIO 2007 is rated for 17 passengers, while the Bennington 25SL3 I/O 2010 caps at 15. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Bennington 2577 RFSIO 2007 could be the deciding factor.

At this size, power-to-weight ratio matters more than outright horsepower. The Bennington 2577 RFSIO 2007 comes in at 1 lbs per hp versus 10 lbs per hp for the Bennington 25SL3 I/O 2010. The lower the ratio the more explosive the acceleration — meaningful on a short RIB where bursts of speed, quick planing, and agility in surf or tight waterways define the experience.

The Bennington 2577 RFSIO 2007 is an inflatable design — lighter, easier to store, and quicker to launch from a beach or dock without a slipway. The Bennington 25SL3 I/O 2010 is a rigid hull, which typically offers a more confident ride in chop and easier maintenance over the long term.

Bottom line: Choose the Bennington 2577 RFSIO 2007 if your priority is putting more people on the water — it handles 17 passengers and at 25,0 ft it has the deck room to back that rating up comfortably. The Bennington 25SL3 I/O 2010 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 15 that costs less to run day-to-day.
General Boat Info
MakeBennington
MakeBennington
Model2577 RFSIO
Model25SL3 I/O
Model Year2007
Model Year201
Measurements / Dimensions
Beam8 ft. 6 in
Beam8 ft. 6 in
Beam - Meters2.59
Beam - Meters2.59
Beam - Inches102
Beam - Inches102
Weight - Detail3,590 lbs. plus engine
Weight - Detail3,099 lbs
Weight - kg1628.4
Weight - kg1405.68
Weight - lbs.359
Weight - lbs.3099
Length [deck]24 ft. 11 in
Length [deck]23 ft. 11 in
Length - Feet25
Length - Feet27.17
Length overall - Detail25 ft. 0 in
Length overall - Detail27 ft. 2 in
Length overall - Meters7.62
Length overall - Meters8.28
Length overall - Inches3
Length overall - Inches326
Pontoon and Inflatable Specific
Tube diameter25 in
Tube diameter25 in
Tube gauge.090 in
Tube gauge0.080 in
Number of tubes3
Number of tubes3
Engine and Drivetrain
Fuel typeGas
Fuel typeGas
Drive typeI/O
Drive typeI/O
Engine max320 hp
Engine max320 hp
Fuel tank capacity - Detailnot available
Fuel tank capacity - Detail62 gal
Fuel tank capacity - Litersnot available
Fuel tank capacity - Liters234.7
Fuel tank capacity - Galnot available
Fuel tank capacity - Gal62
Operational Info
Maximum capacity2,400 lbs
Maximum capacity2,095 lbs
Maximum people17
Maximum people15
Body / Hull
Hull materialnot available
Hull materialAluminum
Hull thicknessnot available
Hull thickness0.125 in
Hull typenot available
Hull typePontoon

Bennington 2577 RFSIO 2007 vs Bennington 25SL3 I/O 2010 — Common Questions

Which is the larger boat — the Bennington 2577 RFSIO 2007 or the Bennington 25SL3 I/O 2010?
The Bennington 25SL3 I/O 2010 is the longer of the two at 27,2 feet overall. The Bennington 2577 RFSIO 2007 comes in at 25,0 feet, making it roughly 2,2 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Bennington 2577 RFSIO 2007 or the Bennington 25SL3 I/O 2010?
For trailering, the Bennington 2577 RFSIO 2007 has the edge at 359 lbs dry weight versus 3 099 lbs for the Bennington 25SL3 I/O 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.
How many people can each boat hold?
The Bennington 2577 RFSIO 2007 is Coast Guard rated for 17 passengers, while the Bennington 25SL3 I/O 2010 is certified for 15. 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.
Do these boats require an oversize trailer permit to tow on US highways?
Both the Bennington 2577 RFSIO 2007 and Bennington 25SL3 I/O 2010 share an 8 ft. 6 in beam — meaning both sit right at the 8’6" threshold that most US states use for standard-width loads. In most states you can tow at that width without a special permit, but regulations vary. Always check the rules for your state and any states you'll be passing through before your first long haul.
Are the Bennington 2577 RFSIO 2007 and Bennington 25SL3 I/O 2010 from the same manufacturer?
Yes — both the Bennington 2577 RFSIO 2007 and the Bennington 25SL3 I/O 2010 are built by Bennington. 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.