Bennington 1850GL Classic 2010 boat specs
Bennington
Bennington 1850GL Classic 2010
2010
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VS
Bennington 23 SL I/O 2011 boat specs
Bennington
Bennington 23 SL I/O 2011
2011
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Bennington 1850GL Classic 2010 vs Bennington 23 SL I/O 2011 — A Close Look at Two Pontoons

When two boats share the same hull type — in this case both the Bennington 1850GL Classic 2010 and the Bennington 23 SL I/O 2011 are pontoon designs with aluminum construction — the buying decision usually comes down to a handful of practical questions: how many people are you putting on the water, how far do you trailer, and what does your tow vehicle weigh?

On paper these two are close siblings in the size department — Bennington 1850GL Classic 2010 at 20,2 ft versus Bennington 23 SL I/O 2011 at 22,3 ft. Weight tells a clearer story for trailering families: the Bennington 23 SL I/O 2011 tips the scales at 2 811 lbs — 902 lbs less than the Bennington 1850GL Classic 2010 at 1 909 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 60 hp, the Bennington 1850GL Classic 2010 has a 28-hp advantage over the Bennington 23 SL I/O 2011's 32-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 2011 carries 62 gallons versus 26 gallons in the Bennington 1850GL Classic 2010. 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 1850GL Classic 2010 is rated for 23 passengers, while the Bennington 23 SL I/O 2011 caps at 12. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Bennington 1850GL Classic 2010 could be the deciding factor.

Both are 2-tube and 3-tube pontoon designs respectively. Tube diameter and gauge affect stability and load capacity — more so than most buyers realize when comparing on paper.

Bottom line: Choose the Bennington 1850GL Classic 2010 if your priority is putting more people on the water — it handles 23 passengers and at 20,2 ft it has the deck room to back that rating up comfortably. The Bennington 23 SL I/O 2011 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 12 that costs less to run day-to-day.
General Boat Info
MakeBennington
MakeBennington
Model1850GL Classic
Model23 SL I/O
Model Year201
Model Year2011
Measurements / Dimensions
Beam8 ft. 6 in
Beam8 ft. 6 in
Beam - Meters2.59
Beam - Meters2.59
Beam - Inches102
Beam - Inches102
Weight - Detail23 in. Tubes: 1,869 lbs. 25 in. Tubes: 1,909 lbs
Weight - Detail2,811 lbs
Weight - kg865.91
Weight - kg1275.05
Weight - lbs.1909
Weight - lbs.2811
Length [deck]17 ft. 11 in
Length [deck]21 ft. 11 in
Length - Feet20.17
Length - Feet22.33
Length overall - Detail20 ft. 2 in
Length overall - Detail22 ft. 4 in. (plus outdrive)
Length overall - Meters6.15
Length overall - Meters6.81
Length overall - Inches242
Length overall - Inches268
Body / Hull
Hull materialAluminum
Hull materialAluminum
Hull typePontoon
Hull typePontoon
Pontoon and Inflatable Specific
Tube diameter23 or 25 in
Tube diameter25 in
Tube gauge0.080 in
Tube gauge0.08 in
Number of tubes2
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
Fuel typeGas
Fuel typeGas
Drive typeOutboard
Drive typeI/O
Engine max60 hp
Engine max32
Max no of enginesnot available
Max no of engines1
Operational Info
Maximum capacity23 in. Tubes: 915 lbs. 25 in. Tubes: 1,225 lbs
Maximum capacity1,747 lbs
Maximum people23 in. Tubes: 7 25 in. Tubes: 9
Maximum people12

Bennington 1850GL Classic 2010 vs Bennington 23 SL I/O 2011 — Common Questions

Which is the larger boat — the Bennington 1850GL Classic 2010 or the Bennington 23 SL I/O 2011?
The Bennington 23 SL I/O 2011 is the longer of the two at 22,3 feet overall. The Bennington 1850GL Classic 2010 comes in at 20,2 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 1850GL Classic 2010 or the Bennington 23 SL I/O 2011?
For trailering, the Bennington 1850GL Classic 2010 has the edge at 1 909 lbs dry weight versus 2 811 lbs for the Bennington 23 SL I/O 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.
Which boat can handle a bigger outboard?
The Bennington 1850GL Classic 2010 is rated to a maximum of 60 hp, giving it the larger power ceiling. The Bennington 23 SL I/O 2011 tops out at 32 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 1850GL Classic 2010 is Coast Guard rated for 23 passengers, while the Bennington 23 SL I/O 2011 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 1850GL Classic 2010 and Bennington 23 SL I/O 2011 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 1850GL Classic 2010 or the Bennington 23 SL I/O 2011?
The Bennington 23 SL I/O 2011 has the bigger tank at 62 gallons, versus 26 gallons on the Bennington 1850GL Classic 2010. 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 1850GL Classic 2010 and Bennington 23 SL I/O 2011 from the same manufacturer?
Yes — both the Bennington 1850GL Classic 2010 and the Bennington 23 SL I/O 2011 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.