Triton Boats Ambush 18 2011 boat specs
Triton Boats
Triton Boats Ambush 18 2011
2011
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VS
Triton Boats TR-175 PD 2005 boat specs
Triton Boats
Triton Boats TR-175 PD 2005
2005
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Triton Boats Ambush 18 2011 vs Triton Boats TR-175 PD 2005 — Same Brand, Different Boat

The Triton Boats Ambush 18 2011 vs Triton Boats TR-175 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 Ambush 18 2011 at 18,0 ft versus Triton Boats TR-175 PD 2005 at 17,0 ft. Weight tells a clearer story for trailering families: the Triton Boats Ambush 18 2011 tips the scales at 958 lbs — 946 lbs more than the Triton Boats TR-175 PD 2005 at 12 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 130 hp, the Triton Boats TR-175 PD 2005 has a 55-hp advantage over the Triton Boats Ambush 18 2011's 75-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-175 PD 2005 carries 28 gallons versus 24 gallons in the Triton Boats Ambush 18 2011. 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-175 PD 2005 comes in at 0 lbs per hp versus 13 lbs per hp for the Triton Boats Ambush 18 2011. 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: Performance buyers should lean toward the Triton Boats TR-175 PD 2005 and its 130-hp ceiling. If fuel economy and quieter running matter more than top-end speed, the Triton Boats Ambush 18 2011 with its 75-hp rating is the more economical daily driver.
General Boat Info
MakeTriton Boats
MakeTriton Boats
ModelAmbush 18
ModelTR-175 PD
Model Year2011
Model Year2005
Measurements / Dimensions
Beam79 in
Beam86.5 in
Beam - Meters2.01
Beam - Meters2.21
Beam - Inches79
Beam - Inches86.5
Depth - Detail22 in
Depth - Detailnot available
Depth - Centimeters55.88
Depth - Centimetersnot available
Depth - Inches22
Depth - Inchesnot available
Weight - Detail958 lbs
Weight - Detail1,200 lbs
Weight - kg434.54
Weight - kg544.31
Weight - lbs.958
Weight - lbs.12
Width [transom] - Detail61 in. bottom
Width [transom] - Detailnot available
Height [transom]20 in
Height [transom]not available
Length - Feet18
Length - Feet17
Length overall - Detail18 ft
Length overall - Detail17 ft. 3 in
Length overall - Meters5.49
Length overall - Meters5.26
Length overall - Inches216
Length overall - Inches207
Length - Inchesnot available
Length - Inches3
Body / Hull
Hull materialAluminum
Hull materialnot available
Hull thickness0.100 in
Hull thicknessnot available
Hull typeModified Vee
Hull typenot available
Engine and Drivetrain
Fuel tank capacity - Detail24 gal
Fuel tank capacity - Detail28 gal
Fuel tank capacity - Liters90.85
Fuel tank capacity - Liters105.99
Fuel tank capacity - Gal24
Fuel tank capacity - Gal28
Fuel typeGas
Fuel typenot available
Drive typeOutboard
Drive typenot available
Horsepower75 - 90 hp
Horsepowernot available
Engine maxnot available
Engine max130 hp
Operational Info
Maximum people4 / 600 lbs
Maximum people4
Maximum capacitynot available
Maximum capacity525 lbs
Trailer Info
Trailer - Length over allnot available
Trailer - Length over allBoat, Motor and Trailer w/o jack-plate (w/o Retractable Tongue): 20 ft. 8 in. With Retractable Tongue: 19 ft. 6 in

Triton Boats Ambush 18 2011 vs Triton Boats TR-175 PD 2005 — Common Questions

Which is the larger boat — the Triton Boats Ambush 18 2011 or the Triton Boats TR-175 PD 2005?
The Triton Boats Ambush 18 2011 is the longer of the two at 18,0 feet overall. The Triton Boats TR-175 PD 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 Ambush 18 2011 or the Triton Boats TR-175 PD 2005?
For trailering, the Triton Boats TR-175 PD 2005 has the edge at 12 lbs dry weight versus 958 lbs for the Triton Boats Ambush 18 2011. 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-175 PD 2005 is rated to a maximum of 130 hp, giving it the larger power ceiling. The Triton Boats Ambush 18 2011 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 Triton Boats Ambush 18 2011 is Coast Guard rated for 4 passengers, while the Triton Boats TR-175 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-175 PD 2005 has a better power-to-weight ratio at 0 lbs per hp compared to 13 lbs per hp for the Triton Boats Ambush 18 2011. 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-175 PD 2005 measures 87" wide, compared to 79" for the Triton Boats Ambush 18 2011. 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 Ambush 18 2011 or the Triton Boats TR-175 PD 2005?
The Triton Boats TR-175 PD 2005 has the bigger tank at 28 gallons, versus 24 gallons on the Triton Boats Ambush 18 2011. 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 Ambush 18 2011 and Triton Boats TR-175 PD 2005 from the same manufacturer?
Yes — both the Triton Boats Ambush 18 2011 and the Triton Boats TR-175 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.