Triton Boats 176 Sport 2005 boat specs
Triton Boats
Triton Boats 176 Sport 2005
2005
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VS
Triton Boats TR-186 DC 2007 boat specs
Triton Boats
Triton Boats TR-186 DC 2007
2007
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Triton Boats 176 Sport 2005 vs Triton Boats TR-186 DC 2007 — Same Brand, Different Boat

The Triton Boats 176 Sport 2005 vs Triton Boats TR-186 DC 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 — Triton Boats 176 Sport 2005 at 17,0 ft versus Triton Boats TR-186 DC 2007 at 18,0 ft. Weight tells a clearer story for trailering families: the Triton Boats 176 Sport 2005 tips the scales at 1 064 lbs — 920 lbs more than the Triton Boats TR-186 DC 2007 at 144 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.

The power gap is worth calling out. Rated to 175 hp, the Triton Boats TR-186 DC 2007 has a 85-hp advantage over the Triton Boats 176 Sport 2005's 90-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Triton Boats TR-186 DC 2007 carries 36 gallons versus 18 gallons in the Triton Boats 176 Sport 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 Triton Boats TR-186 DC 2007 is rated for 5 passengers, while the Triton Boats 176 Sport 2005 caps at 4. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Triton Boats TR-186 DC 2007 could be the deciding factor.

At this size, power-to-weight ratio matters more than outright horsepower. The Triton Boats TR-186 DC 2007 comes in at 1 lbs per hp versus 12 lbs per hp for the Triton Boats 176 Sport 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 Triton Boats TR-186 DC 2007 if your priority is putting more people on the water — it handles 5 passengers and at 18,0 ft it has the deck room to back that rating up comfortably. The Triton Boats 176 Sport 2005 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 4 that costs less to run day-to-day.
General Boat Info
MakeTriton Boats
MakeTriton Boats
Model176 Sport
ModelTR-186 DC
Model Year2005
Model Year2007
Measurements / Dimensions
Beam84 in
Beam91 in
Beam - Meters2.13
Beam - Meters2.31
Beam - Inches84
Beam - Inches91
Depth - DetailSide: 22 in
Depth - Detailnot available
Depth - Centimeters55.88
Depth - Centimetersnot available
Depth - Inches22
Depth - Inchesnot available
Weight - Detail1,064 lbs
Weight - Detail1,440 lbs
Weight - kg482.62
Weight - kg653.17
Weight - lbs.1064
Weight - lbs.144
Height [transom]20 in
Height [transom]not available
Length - Feet17
Length - Feet18
Length - Inches2
Length - Inches6
Length overall - Detail17 ft. 2 in
Length overall - Detail18 ft. 6 in
Length overall - Meters5.23
Length overall - Meters5.64
Length overall - Inches206
Length overall - Inches222
Body / Hull
Hull thickness.1
Hull thicknessnot available
Hull materialnot available
Hull materialFiberglass
Engine and Drivetrain
Fuel tank capacity - Detail18 gal
Fuel tank capacity - Detail36 gal
Fuel tank capacity - Liters68.14
Fuel tank capacity - Liters136.27
Fuel tank capacity - Gal18
Fuel tank capacity - Gal36
Engine max90 hp
Engine max175 hp
Fuel typenot available
Fuel typeGas
Drive typenot available
Drive typeOutboard
Operational Info
Maximum capacity1,200 lbs
Maximum capacitynot available
Maximum people4
Maximum peoplenot available
Storagenot available
StorageRear Storage/Baitwell: 84 qt. Rear Storage Boxes: 168 qt. Front Storage Box: 300 qt
Trailer Info
Trailer - Length over allnot available
Trailer - Length over allw/Swing Tongue: 20 ft. 0 in. w/o Swing Tongue: 22 ft. 0 in

Triton Boats 176 Sport 2005 vs Triton Boats TR-186 DC 2007 — Common Questions

Which is the larger boat — the Triton Boats 176 Sport 2005 or the Triton Boats TR-186 DC 2007?
The Triton Boats TR-186 DC 2007 is the longer of the two at 18,0 feet overall. The Triton Boats 176 Sport 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 Triton Boats 176 Sport 2005 or the Triton Boats TR-186 DC 2007?
For trailering, the Triton Boats TR-186 DC 2007 has the edge at 144 lbs dry weight versus 1 064 lbs for the Triton Boats 176 Sport 2005. 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 Triton Boats TR-186 DC 2007 is rated to a maximum of 175 hp, giving it the larger power ceiling. The Triton Boats 176 Sport 2005 tops out at 90 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 Triton Boats 176 Sport 2005 is Coast Guard rated for 4 passengers, while the Triton Boats TR-186 DC 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 Triton Boats TR-186 DC 2007 has a better power-to-weight ratio at 1 lbs per hp compared to 12 lbs per hp for the Triton Boats 176 Sport 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 Triton Boats TR-186 DC 2007 measures 91" wide, compared to 84" for the Triton Boats 176 Sport 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 Triton Boats 176 Sport 2005 or the Triton Boats TR-186 DC 2007?
The Triton Boats TR-186 DC 2007 has the bigger tank at 36 gallons, versus 18 gallons on the Triton Boats 176 Sport 2005. That 18-gallon difference translates to roughly 54–90 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Triton Boats 176 Sport 2005 and Triton Boats TR-186 DC 2007 from the same manufacturer?
Yes — both the Triton Boats 176 Sport 2005 and the Triton Boats TR-186 DC 2007 are built by Triton 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.