Triton Boats SP 185 2005 boat specs
Triton Boats
Triton Boats SP 185 2005
2005
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VS
Triton Boats TR-165 PD 2005 boat specs
Triton Boats
Triton Boats TR-165 PD 2005
2005
View full specs →

Triton Boats SP 185 2005 vs Triton Boats TR-165 PD 2005 — Same Brand, Different Boat

The Triton Boats SP 185 2005 vs Triton Boats TR-165 PD 2005 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 SP 185 2005 at 18,0 ft versus Triton Boats TR-165 PD 2005 at 16,0 ft. Weight tells a clearer story for trailering families: the Triton Boats SP 185 2005 tips the scales at 1 154 lbs — 1 039 lbs more than the Triton Boats TR-165 PD 2005 at 115 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 — 115 hp for the Triton Boats SP 185 2005 and 100 hp for the Triton Boats TR-165 PD 2005. 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 Triton Boats TR-165 PD 2005 carries 26 gallons versus 22 gallons in the Triton Boats SP 185 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 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.

At this size, power-to-weight ratio matters more than outright horsepower. The Triton Boats TR-165 PD 2005 comes in at 1 lbs per hp versus 10 lbs per hp for the Triton Boats SP 185 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: The Triton Boats SP 185 2005 and Triton Boats TR-165 PD 2005 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
MakeTriton Boats
MakeTriton Boats
ModelSP 185
ModelTR-165 PD
Model Year2005
Model Year2005
Measurements / Dimensions
Beam85 in
Beam86 in
Beam - Meters2.16
Beam - Meters2.18
Beam - Inches85
Beam - Inches86
Depth - DetailSide: 24 in
Depth - Detailnot available
Depth - Centimeters60.96
Depth - Centimetersnot available
Depth - Inches24
Depth - Inchesnot available
Weight - Detail1,154 lbs
Weight - Detail1,150 lbs
Weight - kg523.45
Weight - kg521.63
Weight - lbs.1154
Weight - lbs.115
Height [transom]20 in
Height [transom]not available
Length - Feet18
Length - Feet16
Length - Inches2
Length - Inches7
Length overall - Detail18 ft. 2 in
Length overall - Detail16 ft. 7 in
Length overall - Meters5.54
Length overall - Meters5.05
Length overall - Inches218
Length overall - Inches199
Body / Hull
Hull thickness.1
Hull thicknessnot available
Engine and Drivetrain
Fuel tank capacity - Detail22 gal
Fuel tank capacity - Detail26 gal
Fuel tank capacity - Liters83.28
Fuel tank capacity - Liters98.42
Fuel tank capacity - Gal22
Fuel tank capacity - Gal26
Engine max115 hp
Engine max100 hp
Operational Info
Maximum capacity1,200 lbs
Maximum capacity500 lbs
Maximum people4
Maximum people4
Trailer Info
Trailer - Length over allnot available
Trailer - Length over allBoat, Motor and Trailer w/o jack-plate (w/o Retractable Tongue): 20 ft. 6 in. With Retractable Tongue: 18 ft. 6 in

Triton Boats SP 185 2005 vs Triton Boats TR-165 PD 2005 — Common Questions

Which is the larger boat — the Triton Boats SP 185 2005 or the Triton Boats TR-165 PD 2005?
The Triton Boats SP 185 2005 is the longer of the two at 18,0 feet overall. The Triton Boats TR-165 PD 2005 comes in at 16,0 feet, making it roughly 2,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Triton Boats SP 185 2005 or the Triton Boats TR-165 PD 2005?
For trailering, the Triton Boats TR-165 PD 2005 has the edge at 115 lbs dry weight versus 1 154 lbs for the Triton Boats SP 185 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 SP 185 2005 is rated to a maximum of 115 hp, giving it the larger power ceiling. The Triton Boats TR-165 PD 2005 tops out at 100 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 SP 185 2005 is Coast Guard rated for 4 passengers, while the Triton Boats TR-165 PD 2005 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 has the better power-to-weight ratio?
The Triton Boats TR-165 PD 2005 has a better power-to-weight ratio at 1 lbs per hp compared to 10 lbs per hp for the Triton Boats SP 185 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-165 PD 2005 measures 86" wide, compared to 85" for the Triton Boats SP 185 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 SP 185 2005 or the Triton Boats TR-165 PD 2005?
The Triton Boats TR-165 PD 2005 has the bigger tank at 26 gallons, versus 22 gallons on the Triton Boats SP 185 2005. That 4-gallon difference translates to roughly 12–20 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Triton Boats SP 185 2005 and Triton Boats TR-165 PD 2005 from the same manufacturer?
Yes — both the Triton Boats SP 185 2005 and the Triton Boats TR-165 PD 2005 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.