Marathon DN B14 Utility V 2011 boat specs
Marathon
Marathon DN B14 Utility V 2011
2011
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VS
Marathon Seneca 14T 2007 boat specs
Marathon
Marathon Seneca 14T 2007
2007
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Marathon DN B14 Utility V 2011 vs Marathon Seneca 14T 2007 — Same Brand, Different Boat

The Marathon DN B14 Utility V 2011 vs Marathon Seneca 14T 2007 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 — Marathon DN B14 Utility V 2011 at 14,3 ft versus Marathon Seneca 14T 2007 at 14,0 ft. At 218 lbs and 218 lbs respectively, both sit in a similar weight class — either should pair comfortably with most mid-size SUVs and half-ton trucks, though always confirm your specific tow rating with the motor added.

Both boats share a closely matched power ceiling — 25 hp for the Marathon DN B14 Utility V 2011 and 25 hp for the Marathon Seneca 14T 2007. Real-world performance will come down more to which motor is actually bolted on, its load at the time, and whether it's a 4-stroke or 2-stroke setup.

Both boats are rated for 5 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.

At this size, power-to-weight ratio matters more than outright horsepower. The Marathon Seneca 14T 2007 comes in at 9 lbs per hp versus 9 lbs per hp for the Marathon DN B14 Utility V 2011. The lower the ratio the more explosive the acceleration — meaningful on a short RIB where bursts of speed, quick planing, and agility in surf or tight waterways define the experience.

Bottom line: The Marathon DN B14 Utility V 2011 and Marathon Seneca 14T 2007 are closely matched on the specs that matter most. Test-ride both on the water you actually use, check current dealer pricing, and factor in long-term service access before you sign.
General Boat Info
MakeMarathon
MakeMarathon
ModelDN B14 Utility V
ModelSeneca 14T
Model Year2011
Model Year2007
Measurements / Dimensions
Beam65 in
Beam65 in
Beam - Meters1.65
Beam - Meters1.65
Beam - Inches65
Beam - Inches65
Depth - Detail26 in
Depth - DetailAmidship: 26 in
Depth - Centimeters66.04
Depth - Centimeters66.04
Depth - Inches26
Depth - Inches26
Weight - Detail218 lbs
Weight - Detail218 lbs
Weight - kg98.88
Weight - kg98.88
Weight - lbs.218
Weight - lbs.218
Height [transom]16 in
Height [transom]20 in
Length - Feet14.33
Length - Feet14
Length overall - Detail14 ft. 4 in
Length overall - Detail14 ft. 4 in
Length overall - Meters4.37
Length overall - Meters4.37
Length overall - Inches172
Length overall - Inches172
Height - Detailnot available
Height - DetailBow: 31 in
Height - Metersnot available
Height - Meters0.79
Height - Inchesnot available
Height - Inches31
Length - Inchesnot available
Length - Inches4
Body / Hull
Hull materialAluminum
Hull materialnot available
Hull thickness0.063 in
Hull thickness.063 in
Hull typeModified Vee
Hull typenot available
Engine and Drivetrain
Fuel typeGas
Fuel typeGas
Drive typeOutboard
Drive typeOutboard
Engine max25 hp
Engine max25 hp
Operational Info
Maximum capacity1,040 lbs
Maximum capacity1,040 lbs
Maximum people5 / 770 lbs
Maximum people5

Marathon DN B14 Utility V 2011 vs Marathon Seneca 14T 2007 — Common Questions

Which is the larger boat — the Marathon DN B14 Utility V 2011 or the Marathon Seneca 14T 2007?
The Marathon DN B14 Utility V 2011 is the longer of the two at 14,3 feet overall. The Marathon Seneca 14T 2007 comes in at 14,0 feet, making it roughly 0,3 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Marathon DN B14 Utility V 2011 or the Marathon Seneca 14T 2007?
For trailering, the Marathon Seneca 14T 2007 has the edge at 218 lbs dry weight versus 218 lbs for the Marathon DN B14 Utility V 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.
How many people can each boat hold?
The Marathon DN B14 Utility V 2011 is Coast Guard rated for 5 passengers, while the Marathon Seneca 14T 2007 is certified for 5. 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 has the better power-to-weight ratio?
The Marathon Seneca 14T 2007 has a better power-to-weight ratio at 9 lbs per hp compared to 9 lbs per hp for the Marathon DN B14 Utility V 2011. A lower number means quicker acceleration and faster time to plane — the number that actually matters most on short, sporty boats like these.
Do these boats require an oversize trailer permit to tow on US highways?
Both the Marathon DN B14 Utility V 2011 and Marathon Seneca 14T 2007 share an 65 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.
Are the Marathon DN B14 Utility V 2011 and Marathon Seneca 14T 2007 from the same manufacturer?
Yes — both the Marathon DN B14 Utility V 2011 and the Marathon Seneca 14T 2007 are built by Marathon. 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.