Polar Kraft V 178 TC  2010 boat specs
Polar Kraft
Polar Kraft V 178 TC 2010
2010
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VS
Polar Kraft V 186 SC  2007 boat specs
Polar Kraft
Polar Kraft V 186 SC 2007
2007
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Polar Kraft V 178 TC 2010 vs Polar Kraft V 186 SC 2007 — Same Brand, Different Boat

The Polar Kraft V 178 TC 2010 vs Polar Kraft V 186 SC 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 — Polar Kraft V 178 TC 2010 at 17,7 ft versus Polar Kraft V 186 SC 2007 at 18,0 ft. Weight tells a clearer story for trailering families: the Polar Kraft V 178 TC 2010 tips the scales at 1 309 lbs — 125 lbs more than the Polar Kraft V 186 SC 2007 at 1 184 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 150 hp, the Polar Kraft V 178 TC 2010 has a 35-hp advantage over the Polar Kraft V 186 SC 2007's 115-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Both carry nearly identical fuel loads — 27 gal and 27 gal — so range won't be a tiebreaker here.

For family outings this is probably the sharpest distinction between the two. The Polar Kraft V 186 SC 2007 is rated for 7 passengers, while the Polar Kraft V 178 TC 2010 caps at 6. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Polar Kraft V 186 SC 2007 could be the deciding factor.

At this size, power-to-weight ratio matters more than outright horsepower. The Polar Kraft V 178 TC 2010 comes in at 9 lbs per hp versus 10 lbs per hp for the Polar Kraft V 186 SC 2007. 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: Choose the Polar Kraft V 186 SC 2007 if your priority is putting more people on the water — it handles 7 passengers and at 18,0 ft it has the deck room to back that rating up comfortably. The Polar Kraft V 178 TC 2010 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 6 that costs less to run day-to-day.
General Boat Info
MakePolar Kraft
MakePolar Kraft
ModelV 178 TC
ModelV 186 SC
Model Year201
Model Year2007
Measurements / Dimensions
Beam92 in. (2.34 m)
Beam92 in
Beam - Meters2.34
Beam - Meters2.34
Beam - Inches92
Beam - Inches92
Depth - Detail28.5 in. (0.72 m)
Depth - Detail27 in
Depth - Centimeters73.66
Depth - Centimeters68.58
Depth - Inches28.5
Depth - Inches27
Weight - Detail1,309 lbs. (594 kg)
Weight - Detail1,184 lbs
Weight - kg593.75
Weight - kg537.05
Weight - lbs.1309
Weight - lbs.1184
Width [transom] - Detail75 in. (1.91 m)
Width [transom] - Detail72 in
Height [transom]21 in. (0.53 m)
Height [transom]20 in
Length - Feet17.67
Length - Feet18
Length overall - Detail17 ft. 8 in. (5.35 m)
Length overall - Detail18 ft. 6 in
Length overall - Meters5.38
Length overall - Meters5.64
Length overall - Inches212
Length overall - Inches222
Length - Inchesnot available
Length - Inches6
Body / Hull
Hull materialAluminum
Hull materialnot available
Hull thickness0.100 in. (2.5 mm)
Hull thickness.100 in
Hull typeModified Vee
Hull typenot available
Engine and Drivetrain
Fuel tank capacity - Detail27 gal. (102 l)
Fuel tank capacity - Detail27 gal. (102.2 l)
Fuel tank capacity - Liters102.21
Fuel tank capacity - Liters102.21
Fuel tank capacity - Gal27
Fuel tank capacity - Gal27
Fuel typeGas
Fuel typeGas
Drive typeOutboard
Drive typeOutboard
Engine max150 hp (112 kW) Minimum: 70 hp (52 kW)
Engine max115 hp Minimum: 60 hp
Operational Info
Maximum capacity1,700 lbs. (772 kg)
Maximum capacity1,600 lbs
Maximum people6 / 955 lbs. (434 kg)
Maximum people7

Polar Kraft V 178 TC 2010 vs Polar Kraft V 186 SC 2007 — Common Questions

Which is the larger boat — the Polar Kraft V 178 TC 2010 or the Polar Kraft V 186 SC 2007?
The Polar Kraft V 186 SC 2007 is the longer of the two at 18,0 feet overall. The Polar Kraft V 178 TC 2010 comes in at 17,7 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 Polar Kraft V 178 TC 2010 or the Polar Kraft V 186 SC 2007?
For trailering, the Polar Kraft V 186 SC 2007 has the edge at 1 184 lbs dry weight versus 1 309 lbs for the Polar Kraft V 178 TC 2010. 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 Polar Kraft V 178 TC 2010 is rated to a maximum of 150 hp, giving it the larger power ceiling. The Polar Kraft V 186 SC 2007 tops out at 115 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 Polar Kraft V 178 TC 2010 is Coast Guard rated for 6 passengers, while the Polar Kraft V 186 SC 2007 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 has the better power-to-weight ratio?
The Polar Kraft V 178 TC 2010 has a better power-to-weight ratio at 9 lbs per hp compared to 10 lbs per hp for the Polar Kraft V 186 SC 2007. 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 Polar Kraft V 178 TC 2010 and Polar Kraft V 186 SC 2007 share an 92 in. (2.34 m) 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.
How do the fuel tanks compare on the Polar Kraft V 178 TC 2010 and Polar Kraft V 186 SC 2007?
Both boats carry similar fuel loads — 27 gallons and 27 gallons respectively. Range will depend heavily on motor choice, throttle usage, and whether you're on flat lake water or coastal chop.
Are the Polar Kraft V 178 TC 2010 and Polar Kraft V 186 SC 2007 from the same manufacturer?
Yes — both the Polar Kraft V 178 TC 2010 and the Polar Kraft V 186 SC 2007 are built by Polar Kraft. 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.