Bennington 165 Si  2004 boat specs
Bennington
Bennington 165 Si 2004
2004
View full specs →
VS
Bennington 2575 RL I/O 2005 boat specs
Bennington
Bennington 2575 RL I/O 2005
2005
View full specs →

Bennington 165 Si 2004 vs Bennington 2575 RL I/O 2005 — Same Brand, Different Boat

The Bennington 165 Si 2004 vs Bennington 2575 RL I/O 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.

The Bennington 165 Si 2004 carries a rated maximum of 50 hp. Engine data for the Bennington 2575 RL I/O 2005 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 2575 RL I/O 2005 at 25,0 ft is the right call if deck space, comfort, and entertaining are top of your list. The Bennington 165 Si 2004 at 15,0 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
MakeBennington
Model165 Si
Model2575 RL I/O
Model Year2004
Model Year2005
Measurements / Dimensions
Beam8 ft
Beam8 ft. 6 in
Beam - Meters2.44
Beam - Meters2.59
Beam - Inches96
Beam - Inches102
Weight - Detail1,375 lbs
Weight - Detailnot available
Weight - kg623.69
Weight - kgnot available
Weight - lbs.1375
Weight - lbs.not available
Length - Feet15
Length - Feet25
Length - Inches11
Length - Inchesnot available
Length overall - Detail15 ft. 11 in
Length overall - Detail25 ft. 0 in
Length overall - Meters4.85
Length overall - Meters7.62
Length overall - Inches191
Length overall - Inches3
Length [deck]not available
Length [deck]24 ft. 11 in
Pontoon and Inflatable Specific
Tube diameter23 in
Tube diameter25 in
Tube gaugenot available
Tube gauge.090 in
Engine and Drivetrain
Fuel tank capacity - Detail20 gal
Fuel tank capacity - Detailnot available
Fuel tank capacity - Liters75.71
Fuel tank capacity - Litersnot available
Fuel tank capacity - Gal2
Fuel tank capacity - Galnot available
Drive typeOutBoard
Drive typeI/O
Engine max50 hp
Engine maxnot available
Operational Info
Maximum capacity945 lbs
Maximum capacitynot available
Maximum people7
Maximum peoplenot available

Bennington 165 Si 2004 vs Bennington 2575 RL I/O 2005 — Common Questions

Which is the larger boat — the Bennington 165 Si 2004 or the Bennington 2575 RL I/O 2005?
The Bennington 2575 RL I/O 2005 is the longer of the two at 25,0 feet overall. The Bennington 165 Si 2004 comes in at 15,0 feet, making it roughly 10,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
What is the maximum horsepower rating for these boats?
The Bennington 165 Si 2004 has a documented max rating of 50 hp. Engine specifications for the Bennington 2575 RL I/O 2005 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 165 Si 2004 is Coast Guard rated for 7 passengers, while the Bennington 2575 RL I/O 2005 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.
Which boat is wider, and does it affect trailering?
The Bennington 2575 RL I/O 2005 measures 102" wide, compared to 96" for the Bennington 165 Si 2004. The US standard-width towing limit is 8’6" (102") in most states — anything over that may need a wide-load permit. Confirm your specific route requirements with each state's DOT.
Are the Bennington 165 Si 2004 and Bennington 2575 RL I/O 2005 from the same manufacturer?
Yes — both the Bennington 165 Si 2004 and the Bennington 2575 RL I/O 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.