G3 Boats 1756-CC Tunnel 2005 boat specs
G3 Boats
G3 Boats 1756-CC Tunnel 2005
2005
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VS
G3 Boats Bay 17 2021 boat specs
G3 Boats
G3 Boats Bay 17 2021
2021
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G3 Boats 1756-CC Tunnel 2005 vs G3 Boats Bay 17 2021 — Same Brand, Different Boat

The G3 Boats 1756-CC Tunnel 2005 vs G3 Boats Bay 17 2021 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 — G3 Boats 1756-CC Tunnel 2005 at 17,0 ft versus G3 Boats Bay 17 2021 at 17,2 ft. Weight tells a clearer story for trailering families: the G3 Boats Bay 17 2021 tips the scales at 865 lbs — 140 lbs less than the G3 Boats 1756-CC Tunnel 2005 at 725 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.

Both boats share a closely matched power ceiling — 70 hp for the G3 Boats 1756-CC Tunnel 2005 and 70 hp for the G3 Boats Bay 17 2021. 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 G3 Boats Bay 17 2021 carries 19 gallons versus 6 gallons in the G3 Boats 1756-CC Tunnel 2005. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

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 G3 Boats 1756-CC Tunnel 2005 comes in at 10 lbs per hp versus 12 lbs per hp for the G3 Boats Bay 17 2021. 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.

The G3 Boats Bay 17 2021 is trailerable — a genuine lifestyle advantage at this size. The G3 Boats 1756-CC Tunnel 2005 isn't listed as trailerable, which may mean a permanent berth or mooring is required. The G3 Boats 1756-CC Tunnel 2005 trailer is listed at 1,650 lbs.

Bottom line: The G3 Boats 1756-CC Tunnel 2005 and G3 Boats Bay 17 2021 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
MakeG3 Boats
Makenot available
Model1756-CC Tunnel
Modelnot available
Model Year2005
Model Yearnot available
Measurements / Dimensions
Beam77 in
Beam8.30 ft
Beam - Meters1.96
Beam - Meters2.53
Beam - Inches77
Beam - Inches100
Depth - Detail21 in
Depth - Detailnot available
Depth - Centimeters53.34
Depth - Centimetersnot available
Depth - Inches21
Depth - Inchesnot available
Weight - Detail725 lbs
Weight - Detailnot available
Weight - kg328.85
Weight - kgnot available
Weight - lbs.725
Weight - lbs.not available
Width [transom] - Detail56 in
Width [transom] - Detailnot available
Height [transom]27 in
Height [transom]not available
Length - Feet17
Length - Feet17.2
Length overall - Detail17 ft. 0 in
Length overall - Detail17.20 ft
Length overall - Meters5.18
Length overall - Meters5.24
Length overall - Inches204
Length overall - Inches206
Displacementnot available
Displacement865.00 lbs
Body / Hull
Hull thickness.100 gauge
Hull thicknessnot available
Engine and Drivetrain
Fuel tank capacity - Detail6 gal. portable
Fuel tank capacity - Detailnot available
Fuel tank capacity - Liters22.71
Fuel tank capacity - Liters71.92
Fuel tank capacity - Gal6
Fuel tank capacity - Gal19
Drive typeOutboard
Drive typeoutboard
Engine max70 hp
Engine maxnot available
Engine makenot available
Engine makeYamaha
Horsepowernot available
Horsepower70 hp
Fuel typenot available
Fuel typeGas
Operational Info
Maximum capacity1,170 lbs
Maximum capacitynot available
Maximum people5
Maximum peoplenot available
Trailerablenot available
TrailerableYes
Boat typenot available
Boat typePower
Trailer Info
Trailer - DetailTrail Guard? w/ locking detachable tongue
Trailer - Detailnot available
Trailer - Length over all22 ft. 6 in
Trailer - Length over allnot available
Trailer - Weight1,650 lbs
Trailer - Weightnot available
Trailer - Width81 in
Trailer - Widthnot available

G3 Boats 1756-CC Tunnel 2005 vs G3 Boats Bay 17 2021 — Common Questions

Which is the larger boat — the G3 Boats 1756-CC Tunnel 2005 or the G3 Boats Bay 17 2021?
The G3 Boats Bay 17 2021 is the longer of the two at 17,2 feet overall. The G3 Boats 1756-CC Tunnel 2005 comes in at 17,0 feet, making it roughly 0,2 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the G3 Boats 1756-CC Tunnel 2005 or the G3 Boats Bay 17 2021?
For trailering, the G3 Boats 1756-CC Tunnel 2005 has the edge at 725 lbs dry weight versus 865 lbs for the G3 Boats Bay 17 2021. 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 G3 Boats 1756-CC Tunnel 2005 is Coast Guard rated for 5 passengers, while the G3 Boats Bay 17 2021 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 G3 Boats 1756-CC Tunnel 2005 has a better power-to-weight ratio at 10 lbs per hp compared to 12 lbs per hp for the G3 Boats Bay 17 2021. 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 G3 Boats Bay 17 2021 measures 100" wide, compared to 77" for the G3 Boats 1756-CC Tunnel 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 G3 Boats 1756-CC Tunnel 2005 or the G3 Boats Bay 17 2021?
The G3 Boats Bay 17 2021 has the bigger tank at 19 gallons, versus 6 gallons on the G3 Boats 1756-CC Tunnel 2005. That 13-gallon difference translates to roughly 39–65 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the G3 Boats 1756-CC Tunnel 2005 and G3 Boats Bay 17 2021 from the same manufacturer?
Yes — both the G3 Boats 1756-CC Tunnel 2005 and the G3 Boats Bay 17 2021 are built by G3 Boats. 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.