Marathon DN 13 2013 boat specs
Marathon
Marathon DN 13 2013
2013
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VS
Marathon Seneca 13 2007 boat specs
Marathon
Marathon Seneca 13 2007
2007
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Marathon DN 13 2013 vs Marathon Seneca 13 2007: Same Brand, Different Boat

The Marathon DN 13 2013 vs Marathon Seneca 13 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 13 2013 at 13,0 ft versus Marathon Seneca 13 2007 at 13,0 ft. At 150 lbs and 150 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 - 15 hp for the Marathon DN 13 2013 and 15 hp for the Marathon Seneca 13 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 4 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 13 2007 comes in at 10 lbs per hp versus 10 lbs per hp for the Marathon DN 13 2013. 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 13 2013 and Marathon Seneca 13 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 13
ModelSeneca 13
Model Year2013
Model Year2007
Measurements / Dimensions
Beam58 in.
Beam58 in.
Beam - Meters1.47
Beam - Meters1.47
Beam - Inches58
Beam - Inches58
Depth - Detail22 in.
Depth - DetailAmidship: 22 in.
Depth - Centimeters55.88
Depth - Centimeters55.88
Depth - Inches22
Depth - Inches22
Weight - Detail150 lbs.
Weight - Detail150 lbs.
Weight - kg68.04
Weight - kg68.04
Weight - lbs.150
Weight - lbs.150
Height [transom]16 in.
Height [transom]16 in.
Length - Feet13
Length - Feet13
Length overall - Detail13 ft.
Length overall - Detail13 ft. 0 in.
Length overall - Meters3.96
Length overall - Meters3.96
Length overall - Inches156
Length overall - Inches156
Height - Detailnot available
Height - DetailBow: 28 in.
Height - Metersnot available
Height - Meters0.71
Height - Inchesnot available
Height - Inches28
Body / Hull
Hull materialAluminum
Hull materialnot available
Hull thickness0.063 in.
Hull thickness.063 in.
Hull typeDeep Vee
Hull typenot available
Engine and Drivetrain
Fuel typeGas
Fuel typeGas
Drive typeOutboard
Drive typeOutboard
Engine max15 hp
Engine max15 hp
Operational Info
Maximum capacity660 lbs.
Maximum capacity660 lbs.
Maximum people4 / 510 lbs.
Maximum people4

Marathon DN 13 2013 vs Marathon Seneca 13 2007 - Common Questions

Which is the larger boat - the Marathon DN 13 2013 or the Marathon Seneca 13 2007?
The Marathon Seneca 13 2007 is the longer of the two at 13,0 feet overall. The Marathon DN 13 2013 comes in at 13,0 feet, making it roughly 0,0 ft shorter - a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer - the Marathon DN 13 2013 or the Marathon Seneca 13 2007?
For trailering, the Marathon Seneca 13 2007 has the edge at 150 lbs dry weight versus 150 lbs for the Marathon DN 13 2013. 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 13 2013 is Coast Guard rated for 4 passengers, while the Marathon Seneca 13 2007 is certified for 4. 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 13 2007 has a better power-to-weight ratio at 10 lbs per hp compared to 10 lbs per hp for the Marathon DN 13 2013. 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 13 2013 and Marathon Seneca 13 2007 share an 58 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 13 2013 and Marathon Seneca 13 2007 from the same manufacturer?
Yes - both the Marathon DN 13 2013 and the Marathon Seneca 13 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.