Polar 1788 Rolled Gunnel Flats 2005 boat specs
Polar
Polar 1788 Rolled Gunnel Flats 2005
2005
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VS
Polar 1810 Bay 2007 boat specs
Polar
Polar 1810 Bay 2007
2007
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Polar 1788 Rolled Gunnel Flats 2005 vs Polar 1810 Bay 2007 — Same Brand, Different Boat

The Polar 1788 Rolled Gunnel Flats 2005 vs Polar 1810 Bay 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 1788 Rolled Gunnel Flats 2005 at 17,0 ft versus Polar 1810 Bay 2007 at 18,0 ft. At 14 lbs and 18 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 — 115 hp for the Polar 1788 Rolled Gunnel Flats 2005 and 135 hp for the Polar 1810 Bay 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. Fuel capacity breaks the other way: the Polar 1810 Bay 2007 carries 49 gallons versus 19 gallons in the Polar 1788 Rolled Gunnel Flats 2005. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

For family outings this is probably the sharpest distinction between the two. The Polar 1788 Rolled Gunnel Flats 2005 is rated for 7 passengers, while the Polar 1810 Bay 2007 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Polar 1788 Rolled Gunnel Flats 2005 could be the deciding factor.

At this size, power-to-weight ratio matters more than outright horsepower. The Polar 1810 Bay 2007 comes in at 0 lbs per hp versus 0 lbs per hp for the Polar 1788 Rolled Gunnel Flats 2005. 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 1788 Rolled Gunnel Flats 2005 if your priority is putting more people on the water — it handles 7 passengers and at 17,0 ft it has the deck room to back that rating up comfortably. The Polar 1810 Bay 2007 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 5 that costs less to run day-to-day.
General Boat Info
MakePolar
MakePolar
Model1788 Rolled Gunnel Flats
Model1810 Bay
Model Year2005
Model Year2007
Measurements / Dimensions
Beam7 ft. 5 in
Beam8 ft. 0 in. (2.44 m)
Beam - Meters2.26
Beam - Meters2.44
Beam - Inches89
Beam - Inches96
Weight - Detail1,400 lbs
Weight - Detail1,800 lbs. (816.47 kg)
Weight - kg635.03
Weight - kg816.47
Weight - lbs.14
Weight - lbs.18
Height [transom]20 in
Height [transom]20 in. (0.508 m)
Length - Feet17
Length - Feet18
Length - Inches7
Length - Inches4
Length overall - Detail17 ft. 7 in
Length overall - Detail18 ft. 4 in. (5.59 m)
Length overall - Meters5.36
Length overall - Meters5.59
Length overall - Inches211
Length overall - Inches22
Deadrisenot available
Deadrise12.5℃
Length - Metersnot available
Length - Meters5.59
Engine and Drivetrain
Fuel tank capacity - Detail19 gal
Fuel tank capacity - Detail49 gal. (185.43 l)
Fuel tank capacity - Liters71.92
Fuel tank capacity - Liters185.49
Fuel tank capacity - Gal19
Fuel tank capacity - Gal49
Drive typeOutboard
Drive typeOutboard
Engine max115 hp
Engine max135 hp
Fuel typenot available
Fuel typeGas
Operational Info
Maximum capacity1,600 lbs
Maximum capacity2,000 lbs. (907.19 kg)
Maximum people7
Maximum people5
Body / Hull
Hull materialnot available
Hull materialComposite

Polar 1788 Rolled Gunnel Flats 2005 vs Polar 1810 Bay 2007 — Common Questions

Which is the larger boat — the Polar 1788 Rolled Gunnel Flats 2005 or the Polar 1810 Bay 2007?
The Polar 1810 Bay 2007 is the longer of the two at 18,0 feet overall. The Polar 1788 Rolled Gunnel Flats 2005 comes in at 17,0 feet, making it roughly 1,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Polar 1788 Rolled Gunnel Flats 2005 or the Polar 1810 Bay 2007?
For trailering, the Polar 1788 Rolled Gunnel Flats 2005 has the edge at 14 lbs dry weight versus 18 lbs for the Polar 1810 Bay 2007. 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 1810 Bay 2007 is rated to a maximum of 135 hp, giving it the larger power ceiling. The Polar 1788 Rolled Gunnel Flats 2005 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 1788 Rolled Gunnel Flats 2005 is Coast Guard rated for 7 passengers, while the Polar 1810 Bay 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 Polar 1810 Bay 2007 has a better power-to-weight ratio at 0 lbs per hp compared to 0 lbs per hp for the Polar 1788 Rolled Gunnel Flats 2005. 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 Polar 1810 Bay 2007 measures 96" wide, compared to 89" for the Polar 1788 Rolled Gunnel Flats 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.
Which boat has the larger fuel tank — the Polar 1788 Rolled Gunnel Flats 2005 or the Polar 1810 Bay 2007?
The Polar 1810 Bay 2007 has the bigger tank at 49 gallons, versus 19 gallons on the Polar 1788 Rolled Gunnel Flats 2005. That 30-gallon difference translates to roughly 90–150 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Polar 1788 Rolled Gunnel Flats 2005 and Polar 1810 Bay 2007 from the same manufacturer?
Yes — both the Polar 1788 Rolled Gunnel Flats 2005 and the Polar 1810 Bay 2007 are built by Polar. 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.