Alumacraft Navigator 165 CS 2008 boat specs
Alumacraft
Alumacraft Navigator 165 CS 2008
2008
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VS
Alumacraft Trophy Sport  165 2002 boat specs
Alumacraft
Alumacraft Trophy Sport 165 2002
2002
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Alumacraft Navigator 165 CS 2008 vs Alumacraft Trophy Sport 165 2002 — Same Brand, Different Boat

The Alumacraft Navigator 165 CS 2008 vs Alumacraft Trophy Sport 165 2002 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.

The power gap is worth calling out. Rated to 115 hp, the Alumacraft Trophy Sport 165 2002 has a 25-hp advantage over the Alumacraft Navigator 165 CS 2008'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 Alumacraft Trophy Sport 165 2002 carries 23 gallons versus 2 gallons in the Alumacraft Navigator 165 CS 2008. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

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.

Bottom line: Performance buyers should lean toward the Alumacraft Trophy Sport 165 2002 and its 115-hp ceiling. If fuel economy and quieter running matter more than top-end speed, the Alumacraft Navigator 165 CS 2008 with its 90-hp rating is the more economical daily driver.
General Boat Info
MakeAlumacraft
MakeAlumacraft
ModelNavigator 165 CS
ModelTrophy Sport 165
Model Year2008
Model Year2002
Measurements / Dimensions
Beam91 in. (2.3 m)
Beam81 in
Beam - Meters2.31
Beam - Meters2.06
Beam - Inches91
Beam - Inches81
Depth - DetailMaximum: 42 in. (1.07 m) To Floor: 23 in. (0.57 m)
Depth - Detailnot available
Depth - Centimeters106.68
Depth - Centimetersnot available
Depth - Inches42
Depth - Inchesnot available
Weight - Detail965 lbs. (438 kg)
Weight - Detail1045 lbs
Weight - kg437.72
Weight - kg474
Weight - lbs.965
Weight - lbs.1045
Width [transom] - Detail90 in. (2.29 m)
Width [transom] - Detailnot available
Height [transom]20 in. (0.51 m)
Height [transom]20 in
Length - Meters5
Length - Metersnot available
Length - Feet16
Length - Feetnot available
Length - Inches8
Length - Inchesnot available
Length overall - Detail16 ft. 8 in. (5 m)
Length overall - Detail16 ft. 11 in
Length overall - Meters5.08
Length overall - Meters5.16
Length overall - Inches2
Length overall - Inches203
Height - Detailnot available
Height - Detail38 in. depth
Height - Metersnot available
Height - Meters0.97
Height - Inchesnot available
Height - Inches38
Body / Hull
Hull materialAluminum
Hull materialAluminum
Hull thicknessBottom: 0.080 in. (2 mm)
Hull thicknessnot available
Hull typeDeep Vee
Hull typenot available
Engine and Drivetrain
Fuel tank capacity - Detail20 gal. (76 l)
Fuel tank capacity - Detail23 gal
Fuel tank capacity - Liters75.71
Fuel tank capacity - Liters87.06
Fuel tank capacity - Gal2
Fuel tank capacity - Gal23
Fuel typeGas
Fuel typenot available
Drive typeOutboard
Drive typenot available
Engine max90 hp (67 kW)
Engine max115 hp
Operational Info
Maximum capacity1,340 lbs. (607 kg)
Maximum capacitynot available
Maximum people5
Maximum people5 persons

Alumacraft Navigator 165 CS 2008 vs Alumacraft Trophy Sport 165 2002 — Common Questions

Which is easier to trailer — the Alumacraft Navigator 165 CS 2008 or the Alumacraft Trophy Sport 165 2002?
For trailering, the Alumacraft Navigator 165 CS 2008 has the edge at 965 lbs dry weight versus 1 045 lbs for the Alumacraft Trophy Sport 165 2002. 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 Alumacraft Trophy Sport 165 2002 is rated to a maximum of 115 hp, giving it the larger power ceiling. The Alumacraft Navigator 165 CS 2008 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 Alumacraft Navigator 165 CS 2008 is Coast Guard rated for 5 passengers, while the Alumacraft Trophy Sport 165 2002 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 is wider, and does it affect trailering?
The Alumacraft Navigator 165 CS 2008 measures 91" wide, compared to 81" for the Alumacraft Trophy Sport 165 2002. 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 Alumacraft Navigator 165 CS 2008 or the Alumacraft Trophy Sport 165 2002?
The Alumacraft Trophy Sport 165 2002 has the bigger tank at 23 gallons, versus 2 gallons on the Alumacraft Navigator 165 CS 2008. That 21-gallon difference translates to roughly 63–105 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Alumacraft Navigator 165 CS 2008 and Alumacraft Trophy Sport 165 2002 from the same manufacturer?
Yes — both the Alumacraft Navigator 165 CS 2008 and the Alumacraft Trophy Sport 165 2002 are built by Alumacraft. 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.