SeaArk 1448 MV 2005 boat specs
SeaArk
SeaArk 1448 MV 2005
2005
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VS
SeaArk Forecast 170C 2009 boat specs
SeaArk
SeaArk Forecast 170C 2009
2009
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SeaArk 1448 MV 2005 vs SeaArk Forecast 170C 2009 — Same Brand, Different Boat

The SeaArk 1448 MV 2005 vs SeaArk Forecast 170C 2009 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 — SeaArk 1448 MV 2005 at 14,0 ft versus SeaArk Forecast 170C 2009 at 17,0 ft. Weight tells a clearer story for trailering families: the SeaArk Forecast 170C 2009 tips the scales at 775 lbs — 470 lbs less than the SeaArk 1448 MV 2005 at 305 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 75 hp, the SeaArk Forecast 170C 2009 has a 45-hp advantage over the SeaArk 1448 MV 2005's 30-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load.

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 SeaArk 1448 MV 2005 comes in at 10 lbs per hp versus 10 lbs per hp for the SeaArk Forecast 170C 2009. 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 SeaArk Forecast 170C 2009 at 17,0 ft is the right call if deck space, comfort, and entertaining are top of your list. The SeaArk 1448 MV 2005 at 14,0 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
MakeSeaArk
MakeSeaArk
Model1448 MV
ModelForecast 170C
Model Year2005
Model Year2009
Measurements / Dimensions
Beam67 in. (1.7 m)
Beam71 in
Beam - Meters1.7
Beam - Meters1.8
Beam - Inches67
Beam - Inches71
Depth - Detail20 in. (.51 m)
Depth - Detail21 in
Depth - Centimeters50.8
Depth - Centimeters53.34
Depth - Inches2
Depth - Inches21
Weight - Detail305 lbs. (106.6 kg)
Weight - Detail775 lbs
Weight - kg138.35
Weight - kg351.53
Weight - lbs.305
Weight - lbs.775
Width [transom] - Detail48 in. (1.22 m)
Width [transom] - Detail50 in
Length - Meters4.27
Length - Metersnot available
Length - Feet14
Length - Feet17
Length overall - Detail14 ft. 0 in. (4.27 m)
Length overall - Detail17 ft. 0 in
Length overall - Meters4.27
Length overall - Meters5.18
Length overall - Inches168
Length overall - Inches204
Height [transom]not available
Height [transom]20 in
Body / Hull
Hull thickness.100 in. (2.54 mm)
Hull thickness0.1
Hull materialnot available
Hull materialAluminum
Hull typenot available
Hull typeModified Vee
Engine and Drivetrain
Drive typeOutboard
Drive typeOutboard
Engine max30 hp (22.4 kw)
Engine max75 hp
Fuel tank capacity - Detailnot available
Fuel tank capacity - Detail15 gal
Fuel tank capacity - Litersnot available
Fuel tank capacity - Liters56.78
Fuel tank capacity - Galnot available
Fuel tank capacity - Gal15
Fuel typenot available
Fuel typeGas
Operational Info
Maximum capacity865 lbs. (392.4 kg)
Maximum capacity1,005 lbs
Maximum people4
Maximum people4 / 445 lbs

SeaArk 1448 MV 2005 vs SeaArk Forecast 170C 2009 — Common Questions

Which is the larger boat — the SeaArk 1448 MV 2005 or the SeaArk Forecast 170C 2009?
The SeaArk Forecast 170C 2009 is the longer of the two at 17,0 feet overall. The SeaArk 1448 MV 2005 comes in at 14,0 feet, making it roughly 3,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the SeaArk 1448 MV 2005 or the SeaArk Forecast 170C 2009?
For trailering, the SeaArk 1448 MV 2005 has the edge at 305 lbs dry weight versus 775 lbs for the SeaArk Forecast 170C 2009. 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 SeaArk Forecast 170C 2009 is rated to a maximum of 75 hp, giving it the larger power ceiling. The SeaArk 1448 MV 2005 tops out at 30 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 SeaArk 1448 MV 2005 is Coast Guard rated for 4 passengers, while the SeaArk Forecast 170C 2009 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 SeaArk 1448 MV 2005 has a better power-to-weight ratio at 10 lbs per hp compared to 10 lbs per hp for the SeaArk Forecast 170C 2009. A lower number means quicker acceleration and faster time to plane — the number that actually matters most on short, sporty boats like these.
Which boat is wider, and does it affect trailering?
The SeaArk Forecast 170C 2009 measures 71" wide, compared to 67" for the SeaArk 1448 MV 2005. 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 SeaArk 1448 MV 2005 and SeaArk Forecast 170C 2009 from the same manufacturer?
Yes — both the SeaArk 1448 MV 2005 and the SeaArk Forecast 170C 2009 are built by SeaArk. 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.