G3 Boats PB 18 2004 boat specs
G3 Boats
G3 Boats PB 18 2004
2004
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G3 Boats Tunnel Jon - 1860CCT 2006 boat specs
G3 Boats
G3 Boats Tunnel Jon - 1860CCT 2006
2006
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G3 Boats PB 18 2004 vs G3 Boats Tunnel Jon - 1860CCT 2006 — Same Brand, Different Boat

The G3 Boats PB 18 2004 vs G3 Boats Tunnel Jon - 1860CCT 2006 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 PB 18 2004 at 18,0 ft versus G3 Boats Tunnel Jon - 1860CCT 2006 at 18,0 ft. At 14 lbs and 83 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 — 75 hp for the G3 Boats PB 18 2004 and 90 hp for the G3 Boats Tunnel Jon - 1860CCT 2006. 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 PB 18 2004 carries 26 gallons versus 12 gallons in the G3 Boats Tunnel Jon - 1860CCT 2006. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

Both boats are rated for 7 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 PB 18 2004 comes in at 0 lbs per hp versus 1 lbs per hp for the G3 Boats Tunnel Jon - 1860CCT 2006. 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 G3 Boats PB 18 2004 and G3 Boats Tunnel Jon - 1860CCT 2006 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
MakeG3 Boats
ModelPB 18
ModelTunnel Jon - 1860CCT
Model Year2004
Model Year2006
Measurements / Dimensions
Beam8 ft. 6 in
Beam80 in
Beam - Meters2.59
Beam - Meters2.03
Beam - Inches102
Beam - Inches8
Weight - Detail1,400 lbs
Weight - Detail830 lbs
Weight - kg635.03
Weight - kg376.48
Weight - lbs.14
Weight - lbs.83
Length - Feet18
Length - Feet18
Length overall - Detail18 ft. 0 in
Length overall - Detail18 ft. 1 in
Length overall - Meters5.49
Length overall - Meters5.51
Length overall - Inches216
Length overall - Inches217
Deadrisenot available
Deadrise0℃
Depth - Detailnot available
Depth - Detail24 in
Depth - Centimetersnot available
Depth - Centimeters60.96
Depth - Inchesnot available
Depth - Inches24
Width [transom] - Detailnot available
Width [transom] - Detail60 in
Height [transom]not available
Height [transom]27 in
Length - Inchesnot available
Length - Inches1
Engine and Drivetrain
Fuel tank capacity - Detail26 gal
Fuel tank capacity - Detail12 gal
Fuel tank capacity - Liters98.42
Fuel tank capacity - Liters45.42
Fuel tank capacity - Gal26
Fuel tank capacity - Gal12
Drive typeOutBoard
Drive typeOutboard
Engine max75 hp
Engine max90 hp
Engine/s standardnot available
Engine/s standardYamaha
Operational Info
Maximum capacity1,000 lbs
Maximum capacity1,500 lbs
Maximum people7
Maximum people7
Body / Hull
Hull thicknessnot available
Hull thickness.100 gauge
Trailer Info
Trailer - Detailnot available
Trailer - DetailTrail Guard?
Trailer - Length over allnot available
Trailer - Length over all23 ft. 7 in
Trailer - Weightnot available
Trailer - Weight1,700 lbs
Trailer - Widthnot available
Trailer - Width85 in

G3 Boats PB 18 2004 vs G3 Boats Tunnel Jon - 1860CCT 2006 — Common Questions

Which is the larger boat — the G3 Boats PB 18 2004 or the G3 Boats Tunnel Jon - 1860CCT 2006?
The G3 Boats Tunnel Jon - 1860CCT 2006 is the longer of the two at 18,0 feet overall. The G3 Boats PB 18 2004 comes in at 18,0 feet, making it roughly 0,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the G3 Boats PB 18 2004 or the G3 Boats Tunnel Jon - 1860CCT 2006?
For trailering, the G3 Boats PB 18 2004 has the edge at 14 lbs dry weight versus 83 lbs for the G3 Boats Tunnel Jon - 1860CCT 2006. 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 Tunnel Jon - 1860CCT 2006 is rated to a maximum of 90 hp, giving it the larger power ceiling. The G3 Boats PB 18 2004 tops out at 75 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 PB 18 2004 is Coast Guard rated for 7 passengers, while the G3 Boats Tunnel Jon - 1860CCT 2006 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 G3 Boats PB 18 2004 has a better power-to-weight ratio at 0 lbs per hp compared to 1 lbs per hp for the G3 Boats Tunnel Jon - 1860CCT 2006. 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 PB 18 2004 measures 102" wide, compared to 8" for the G3 Boats Tunnel Jon - 1860CCT 2006. 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 PB 18 2004 or the G3 Boats Tunnel Jon - 1860CCT 2006?
The G3 Boats PB 18 2004 has the bigger tank at 26 gallons, versus 12 gallons on the G3 Boats Tunnel Jon - 1860CCT 2006. That 14-gallon difference translates to roughly 42–70 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the G3 Boats PB 18 2004 and G3 Boats Tunnel Jon - 1860CCT 2006 from the same manufacturer?
Yes — both the G3 Boats PB 18 2004 and the G3 Boats Tunnel Jon - 1860CCT 2006 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.