Bennington 25 SL I/O 2012 boat specs
Bennington
Bennington 25 SL I/O 2012
2012
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VS
Bennington 2575 RLX  2005 boat specs
Bennington
Bennington 2575 RLX 2005
2005
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Bennington 25 SL I/O 2012 vs Bennington 2575 RLX 2005 — Same Brand, Different Boat

The Bennington 25 SL I/O 2012 vs Bennington 2575 RLX 2005 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 25 SL I/O 2012 at 24,3 ft versus Bennington 2575 RLX 2005 at 25,0 ft. Weight tells a clearer story for trailering families: the Bennington 25 SL I/O 2012 tips the scales at 3 099 lbs — 3 077 lbs more than the Bennington 2575 RLX 2005 at 22 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 320 hp, the Bennington 25 SL I/O 2012 has a 185-hp advantage over the Bennington 2575 RLX 2005's 135-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Bennington 25 SL I/O 2012 carries 62 gallons versus 26 gallons in the Bennington 2575 RLX 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 Bennington 2575 RLX 2005 is rated for 17 passengers, while the Bennington 25 SL I/O 2012 caps at 14. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Bennington 2575 RLX 2005 could be the deciding factor.

Bottom line: Choose the Bennington 2575 RLX 2005 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 25 SL I/O 2012 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 14 that costs less to run day-to-day.
General Boat Info
MakeBennington
MakeBennington
Model25 SL I/O
Model2575 RLX
Model Year2012
Model Year2005
Measurements / Dimensions
Beam8 ft. 6 in
Beam8 ft. 6 in
Beam - Meters2.59
Beam - Meters2.59
Beam - Inches102
Beam - Inches102
Weight - Detail3,099 lbs. excludes engine
Weight - Detail2,200 lbs
Weight - kg1405.68
Weight - kg997.9
Weight - lbs.3099
Weight - lbs.22
Length [at waterline]24 ft. 6 in. pontoon length
Length [at waterline]not available
Length [deck]23 ft. 11 in
Length [deck]24 ft. 11 in
Length - Feet24.33
Length - Feet25
Length overall - Detail24 ft. 4 in. plus outdrive (add 33 in. for optional swim platform)
Length overall - Detail25 ft. 0 in
Length overall - Meters7.42
Length overall - Meters7.62
Length overall - Inches292
Length overall - Inches3
Body / Hull
Hull materialAluminum
Hull materialnot available
Hull typePontoon
Hull typenot available
Pontoon and Inflatable Specific
Tube diameter25 in
Tube diameter25 in
Tube gauge0.080 in
Tube gauge.090 in
Number of tubes3
Number of tubesnot available
Engine and Drivetrain
Fuel tank capacity - Detail62 gal
Fuel tank capacity - Detail26 gal
Fuel tank capacity - Liters234.7
Fuel tank capacity - Liters98.42
Fuel tank capacity - Gal62
Fuel tank capacity - Gal26
Fuel typeGas
Fuel typenot available
Drive typeI/O
Drive typeOutBoard
Engine max320 hp
Engine max135 hp
Operational Info
Maximum people14
Maximum people17
Maximum capacitynot available
Maximum capacity3,400 lbs

Bennington 25 SL I/O 2012 vs Bennington 2575 RLX 2005 — Common Questions

Which is the larger boat — the Bennington 25 SL I/O 2012 or the Bennington 2575 RLX 2005?
The Bennington 2575 RLX 2005 is the longer of the two at 25,0 feet overall. The Bennington 25 SL I/O 2012 comes in at 24,3 feet, making it roughly 0,7 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Bennington 25 SL I/O 2012 or the Bennington 2575 RLX 2005?
For trailering, the Bennington 2575 RLX 2005 has the edge at 22 lbs dry weight versus 3 099 lbs for the Bennington 25 SL I/O 2012. 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 Bennington 25 SL I/O 2012 is rated to a maximum of 320 hp, giving it the larger power ceiling. The Bennington 2575 RLX 2005 tops out at 135 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 Bennington 25 SL I/O 2012 is Coast Guard rated for 14 passengers, while the Bennington 2575 RLX 2005 is certified for 17. 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 25 SL I/O 2012 and Bennington 2575 RLX 2005 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.
Which boat has the larger fuel tank — the Bennington 25 SL I/O 2012 or the Bennington 2575 RLX 2005?
The Bennington 25 SL I/O 2012 has the bigger tank at 62 gallons, versus 26 gallons on the Bennington 2575 RLX 2005. That 36-gallon difference translates to roughly 108–180 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Bennington 25 SL I/O 2012 and Bennington 2575 RLX 2005 from the same manufacturer?
Yes — both the Bennington 25 SL I/O 2012 and the Bennington 2575 RLX 2005 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.