Bennington 2280 RL 2004 boat specs
Bennington
Bennington 2280 RL 2004
2004
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VS
Bennington 23 SL I/O 2012 boat specs
Bennington
Bennington 23 SL I/O 2012
2012
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Bennington 2280 RL 2004 vs Bennington 23 SL I/O 2012 — Same Brand, Different Boat

The Bennington 2280 RL 2004 vs Bennington 23 SL I/O 2012 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 2280 RL 2004 at 21,0 ft versus Bennington 23 SL I/O 2012 at 22,3 ft. Weight tells a clearer story for trailering families: the Bennington 23 SL I/O 2012 tips the scales at 2 811 lbs — 976 lbs less than the Bennington 2280 RL 2004 at 1 835 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 23 SL I/O 2012 has a 205-hp advantage over the Bennington 2280 RL 2004's 115-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 23 SL I/O 2012 carries 62 gallons versus 26 gallons in the Bennington 2280 RL 2004. 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 23 SL I/O 2012 is rated for 12 passengers, while the Bennington 2280 RL 2004 caps at 11. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Bennington 23 SL I/O 2012 could be the deciding factor.

Bottom line: Choose the Bennington 23 SL I/O 2012 if your priority is putting more people on the water — it handles 12 passengers and at 22,3 ft it has the deck room to back that rating up comfortably. The Bennington 2280 RL 2004 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 11 that costs less to run day-to-day.
General Boat Info
MakeBennington
MakeBennington
Model2280 RL
Model23 SL I/O
Model Year2004
Model Year2012
Measurements / Dimensions
Beam8 ft. 6 in
Beam8 ft. 6 in
Beam - Meters2.59
Beam - Meters2.59
Beam - Inches102
Beam - Inches102
Weight - Detail1,835 lbs
Weight - Detail2,811 lbs. excludes engine
Weight - kg832.34
Weight - kg1275.05
Weight - lbs.1835
Weight - lbs.2811
Length - Feet21
Length - Feet22.33
Length - Inches11
Length - Inchesnot available
Length overall - Detail21 ft. 11 in
Length overall - Detail22 ft. 4 in. plus outdrive (add 33 in. for optional swim platform)
Length overall - Meters6.68
Length overall - Meters6.81
Length overall - Inches263
Length overall - Inches268
Length [at waterline]not available
Length [at waterline]22 ft. 6 in. pontoon length
Length [deck]not available
Length [deck]21 ft. 11 in
Pontoon and Inflatable Specific
Tube diameter23 in
Tube diameter25 in
Tube gaugenot available
Tube gauge0.080 / 0.125 in
Number of tubesnot available
Number of tubes3
Engine and Drivetrain
Fuel tank capacity - Detail26 gal
Fuel tank capacity - Detail62 gal
Fuel tank capacity - Liters98.42
Fuel tank capacity - Liters234.7
Fuel tank capacity - Gal26
Fuel tank capacity - Gal62
Drive typeOutBoard
Drive typeI/O
Engine max115 hp
Engine max320 hp
Fuel typenot available
Fuel typeGas
Operational Info
Maximum capacity1,500 lbs
Maximum capacitynot available
Maximum people11
Maximum people12
Body / Hull
Hull materialnot available
Hull materialAluminum
Hull typenot available
Hull typePontoon

Bennington 2280 RL 2004 vs Bennington 23 SL I/O 2012 — Common Questions

Which is the larger boat — the Bennington 2280 RL 2004 or the Bennington 23 SL I/O 2012?
The Bennington 23 SL I/O 2012 is the longer of the two at 22,3 feet overall. The Bennington 2280 RL 2004 comes in at 21,0 feet, making it roughly 1,3 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Bennington 2280 RL 2004 or the Bennington 23 SL I/O 2012?
For trailering, the Bennington 2280 RL 2004 has the edge at 1 835 lbs dry weight versus 2 811 lbs for the Bennington 23 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 23 SL I/O 2012 is rated to a maximum of 320 hp, giving it the larger power ceiling. The Bennington 2280 RL 2004 tops out at 115 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 2280 RL 2004 is Coast Guard rated for 11 passengers, while the Bennington 23 SL I/O 2012 is certified for 12. 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 2280 RL 2004 and Bennington 23 SL I/O 2012 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 2280 RL 2004 or the Bennington 23 SL I/O 2012?
The Bennington 23 SL I/O 2012 has the bigger tank at 62 gallons, versus 26 gallons on the Bennington 2280 RL 2004. 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 2280 RL 2004 and Bennington 23 SL I/O 2012 from the same manufacturer?
Yes — both the Bennington 2280 RL 2004 and the Bennington 23 SL I/O 2012 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.