Bennington 18 SL 2013 boat specs
Bennington
Bennington 18 SL 2013
2013
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VS
Bennington L Series 21 LSB -SWINGBACK 2022 boat specs
Bennington
Bennington L Series 21 LSB -SWINGBACK 2022
2022
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Bennington 18 SL 2013 vs Bennington L Series 21 LSB -SWINGBACK 2022 — Same Brand, Different Boat

The Bennington 18 SL 2013 vs Bennington L Series 21 LSB -SWINGBACK 2022 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.

The Bennington 18 SL 2013 carries a rated maximum of 50 hp. Engine data for the Bennington L Series 21 LSB -SWINGBACK 2022 wasn't available in our records — check the manufacturer's spec sheet before sizing a motor.

Both boats are rated for 7 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 Bennington L Series 21 LSB -SWINGBACK 2022 at 25,0 ft is the right call if deck space, comfort, and entertaining are top of your list. The Bennington 18 SL 2013 at 18,4 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
MakeBennington
Makenot available
Model18 SL
Modelnot available
Model Year2013
Model Yearnot available
Measurements / Dimensions
Beam8 ft. 6 in
Beamnot available
Beam - Meters2.59
Beam - Metersnot available
Beam - Inches102
Beam - Inchesnot available
Weight - Detail1,663 lbs
Weight - Detailnot available
Weight - kg754.32
Weight - kgnot available
Weight - lbs.1663
Weight - lbs.not available
Length [at waterline]17 ft. 6 in. pontoon length
Length [at waterline]not available
Length [deck]16 ft. 11 in
Length [deck]not available
Length - Feet18.42
Length - Feet25
Length overall - Detail18 ft. 5 in
Length overall - Detail25.00 ft
Length overall - Meters5.61
Length overall - Meters7.62
Length overall - Inches221
Length overall - Inches300
Draft [max] - Detailnot available
Draft [max] - Detail18.00 ft
Draft [max] - Metersnot available
Draft [max] - Meters5.49
Draft [max] - Inchesnot available
Draft [max] - Inches216
Body / Hull
Hull materialAluminum
Hull materialnot available
Hull typePontoon
Hull typenot available
Pontoon and Inflatable Specific
Tube diameter23 in
Tube diameternot available
Tube gauge0.08
Tube gaugenot available
Number of tubes2
Number of tubesnot available
Engine and Drivetrain
Fuel tank capacity - Detail25.8 gal
Fuel tank capacity - Detailnot available
Fuel tank capacity - Liters98.42
Fuel tank capacity - Litersnot available
Fuel tank capacity - Gal25.8
Fuel tank capacity - Galnot available
Fuel typeGas
Fuel typeOther
Drive typeOutboard
Drive typenot available
Engine max50 hp
Engine maxnot available
Operational Info
Maximum people7
Maximum peoplenot available
Boat typenot available
Boat typePower

Bennington 18 SL 2013 vs Bennington L Series 21 LSB -SWINGBACK 2022 — Common Questions

Which is the larger boat — the Bennington 18 SL 2013 or the Bennington L Series 21 LSB -SWINGBACK 2022?
The Bennington L Series 21 LSB -SWINGBACK 2022 is the longer of the two at 25,0 feet overall. The Bennington 18 SL 2013 comes in at 18,4 feet, making it roughly 6,6 ft shorter — a meaningful difference in deck room and overall on-water presence.
What is the maximum horsepower rating for these boats?
The Bennington 18 SL 2013 has a documented max rating of 50 hp. Engine specifications for the Bennington L Series 21 LSB -SWINGBACK 2022 were not available in our database — check the OEM spec sheet or manufacturer's website for confirmation.
How many people can each boat hold?
The Bennington 18 SL 2013 is Coast Guard rated for 7 passengers, while the Bennington L Series 21 LSB -SWINGBACK 2022 is certified for 7. 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.
Are the Bennington 18 SL 2013 and Bennington L Series 21 LSB -SWINGBACK 2022 from the same manufacturer?
Yes — both the Bennington 18 SL 2013 and the Bennington L Series 21 LSB -SWINGBACK 2022 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.