G3 Boats HP 180 2004 boat specs
G3 Boats
G3 Boats HP 180 2004
2004
View full specs →
VS
G3 Boats Jet Tunnel 1656 CCJ 2012 boat specs
G3 Boats
G3 Boats Jet Tunnel 1656 CCJ 2012
2012
View full specs →

G3 Boats HP 180 2004 vs G3 Boats Jet Tunnel 1656 CCJ 2012 — Same Brand, Different Boat

The G3 Boats HP 180 2004 vs G3 Boats Jet Tunnel 1656 CCJ 2012 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.

The power gap is worth calling out. Rated to 150 hp, the G3 Boats HP 180 2004 has a 90-hp advantage over the G3 Boats Jet Tunnel 1656 CCJ 2012's 60-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the G3 Boats HP 180 2004 carries 34 gallons versus 12 gallons in the G3 Boats Jet Tunnel 1656 CCJ 2012. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

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.

Bottom line: Performance buyers should lean toward the G3 Boats HP 180 2004 and its 150-hp ceiling. If fuel economy and quieter running matter more than top-end speed, the G3 Boats Jet Tunnel 1656 CCJ 2012 with its 60-hp rating is the more economical daily driver.
General Boat Info
MakeG3 Boats
MakeG3 Boats
ModelHP 18
ModelJet Tunnel 1656 CCJ
Model Year2004
Model Year2012
Measurements / Dimensions
Beam90 in
Beam76 in
Beam - Meters2.29
Beam - Meters1.93
Beam - Inches9
Beam - Inches76
Draft [drive up] - Detailn/a
Draft [drive up] - Detailnot available
Weight - Detail1,200 lbs
Weight - Detail810 lbs
Weight - kg544.31
Weight - kg367.41
Weight - lbs.12
Weight - lbs.81
Height - Detailn/a
Height - Detailnot available
Height [transom]20 in
Height [transom]23 in
Length overall - Detail18 ft
Length overall - Detail16 ft. 5 in
Length overall - Meters5.49
Length overall - Meters5
Length overall - Inches216
Length overall - Inches197
Deadrisenot available
Deadrise0℃
Depth - Detailnot available
Depth - Detail21 in
Depth - Centimetersnot available
Depth - Centimeters53.34
Depth - Inchesnot available
Depth - Inches21
Length - Feetnot available
Length - Feet16.42
Body / Hull
Hull materialAluminum
Hull materialAluminum
Hull thicknessnot available
Hull thickness0.100 ga
Hull typenot available
Hull typeTunnel
Engine and Drivetrain
Fuel tank capacity - Detail34 gal
Fuel tank capacity - Detail12 gal
Fuel tank capacity - Liters128.7
Fuel tank capacity - Liters45.42
Fuel tank capacity - Gal34
Fuel tank capacity - Gal12
Engine max150 hp
Engine max60 / 40J hp
Engine makenot available
Engine makeYamaha
Fuel typenot available
Fuel typeGas
Drive typenot available
Drive typeJet Drive
Operational Info
Water capacityn/a
Water capacitynot available
Maximum people4 person
Maximum people4
Storagenot available
StorageLivewell: 15 x 25 in., 19 gal
Maximum capacitynot available
Maximum capacity1,050 lbs
Trailer Info
Trailer - DetailUpgraded trailer with 14" radial tires and aluminum mag wheels
Trailer - Detailnot available
Trailer - Length over allnot available
Trailer - Length over all21 ft. 3 in. (deduct 20 in. with Trail Guard tongue removed)
Trailer - Weightnot available
Trailer - Weight1,590 lbs
Trailer - Widthnot available
Trailer - Width81 in

G3 Boats HP 180 2004 vs G3 Boats Jet Tunnel 1656 CCJ 2012 — Common Questions

Which is easier to trailer — the G3 Boats HP 180 2004 or the G3 Boats Jet Tunnel 1656 CCJ 2012?
For trailering, the G3 Boats HP 180 2004 has the edge at 12 lbs dry weight versus 81 lbs for the G3 Boats Jet Tunnel 1656 CCJ 2012. 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 G3 Boats HP 180 2004 is rated to a maximum of 150 hp, giving it the larger power ceiling. The G3 Boats Jet Tunnel 1656 CCJ 2012 tops out at 60 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 G3 Boats HP 180 2004 is Coast Guard rated for 4 passengers, while the G3 Boats Jet Tunnel 1656 CCJ 2012 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 is wider, and does it affect trailering?
The G3 Boats Jet Tunnel 1656 CCJ 2012 measures 76" wide, compared to 9" for the G3 Boats HP 180 2004. 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 HP 180 2004 or the G3 Boats Jet Tunnel 1656 CCJ 2012?
The G3 Boats HP 180 2004 has the bigger tank at 34 gallons, versus 12 gallons on the G3 Boats Jet Tunnel 1656 CCJ 2012. That 22-gallon difference translates to roughly 66–110 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the G3 Boats HP 180 2004 and G3 Boats Jet Tunnel 1656 CCJ 2012 from the same manufacturer?
Yes — both the G3 Boats HP 180 2004 and the G3 Boats Jet Tunnel 1656 CCJ 2012 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.