SeaArk 1860 Tunnel Pro (CC) 2013 boat specs
SeaArk
SeaArk 1860 Tunnel Pro (CC) 2013
2013
View full specs →
VS
SeaArk X176 (CC) 2012 boat specs
SeaArk
SeaArk X176 (CC) 2012
2012
View full specs →

SeaArk 1860 Tunnel Pro (CC) 2013 vs SeaArk X176 (CC) 2012 — Same Brand, Different Boat

Matching a tunnel SeaArk 1860 Tunnel Pro (CC) 2013 against a modified vee SeaArk X176 (CC) 2012 means you're likely deciding between two genuinely different on-water experiences. Hull type shapes everything from ride quality and fuel burn to dock handling and resale trajectory.

On paper these two are close siblings in the size department — SeaArk 1860 Tunnel Pro (CC) 2013 at 18,0 ft versus SeaArk X176 (CC) 2012 at 17,5 ft. At 53 lbs and 88 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 — 80 hp for the SeaArk 1860 Tunnel Pro (CC) 2013 and 75 hp for the SeaArk X176 (CC) 2012. 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.

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 SeaArk 1860 Tunnel Pro (CC) 2013 comes in at 1 lbs per hp versus 1 lbs per hp for the SeaArk X176 (CC) 2012. 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 SeaArk 1860 Tunnel Pro (CC) 2013 and SeaArk X176 (CC) 2012 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
MakeSeaArk
MakeSeaArk
Model1860 Tunnel Pro (CC)
ModelX176 (CC)
Model Year2013
Model Year2012
Measurements / Dimensions
Beam84 in
Beam84 in
Beam - Meters2.13
Beam - Meters2.13
Beam - Inches84
Beam - Inches84
Depth - Detail24 in
Depth - Detail24 in
Depth - Centimeters60.96
Depth - Centimeters60.96
Depth - Inches24
Depth - Inches24
Weight - Detail530 lbs
Weight - Detail880 lbs
Weight - kg240.4
Weight - kg399.16
Weight - lbs.53
Weight - lbs.88
Width [transom] - DetailBottom: 60 in
Width [transom] - DetailBottom: 60 in
Length - Feet18
Length - Feet17.5
Length overall - Detail18 ft
Length overall - Detail17 ft. 6 in
Length overall - Meters5.49
Length overall - Meters5.33
Length overall - Inches216
Length overall - Inches21
Body / Hull
Hull materialAluminum
Hull materialAluminum
Hull thickness0.100 in
Hull thickness0.100 in
Hull typeTunnel
Hull typeModified Vee
Engine and Drivetrain
Fuel typeGas
Fuel typeGas
Engine max80 hp
Engine max75 hp

SeaArk 1860 Tunnel Pro (CC) 2013 vs SeaArk X176 (CC) 2012 — Common Questions

Which is the larger boat — the SeaArk 1860 Tunnel Pro (CC) 2013 or the SeaArk X176 (CC) 2012?
The SeaArk 1860 Tunnel Pro (CC) 2013 is the longer of the two at 18,0 feet overall. The SeaArk X176 (CC) 2012 comes in at 17,5 feet, making it roughly 0,5 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the SeaArk 1860 Tunnel Pro (CC) 2013 or the SeaArk X176 (CC) 2012?
For trailering, the SeaArk 1860 Tunnel Pro (CC) 2013 has the edge at 53 lbs dry weight versus 88 lbs for the SeaArk X176 (CC) 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.
How many people can each boat hold?
The SeaArk 1860 Tunnel Pro (CC) 2013 is Coast Guard rated for 5 passengers, while the SeaArk X176 (CC) 2012 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 SeaArk 1860 Tunnel Pro (CC) 2013 has a better power-to-weight ratio at 1 lbs per hp compared to 1 lbs per hp for the SeaArk X176 (CC) 2012. 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 SeaArk 1860 Tunnel Pro (CC) 2013 and SeaArk X176 (CC) 2012 share an 84 in 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.
Are the SeaArk 1860 Tunnel Pro (CC) 2013 and SeaArk X176 (CC) 2012 from the same manufacturer?
Yes — both the SeaArk 1860 Tunnel Pro (CC) 2013 and the SeaArk X176 (CC) 2012 are built by SeaArk. 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.