Alumacraft Magnum 165 CS 2004 boat specs
Alumacraft
Alumacraft Magnum 165 CS 2004
2004
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VS
Alumacraft Navigator 165CS 2001 boat specs
Alumacraft
Alumacraft Navigator 165CS 2001
2001
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Alumacraft Magnum 165 CS 2004 vs Alumacraft Navigator 165CS 2001 — Same Brand, Different Boat

The Alumacraft Magnum 165 CS 2004 vs Alumacraft Navigator 165CS 2001 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 Alumacraft Magnum 165 CS 2004 carries a rated maximum of 90 hp. Engine data for the Alumacraft Navigator 165CS 2001 wasn't available in our records — check the manufacturer's spec sheet before sizing a motor.Both carry nearly identical fuel loads — 22 gal and 22 gal — so range won't be a tiebreaker here.

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: The Alumacraft Magnum 165 CS 2004 and Alumacraft Navigator 165CS 2001 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
MakeAlumacraft
MakeAlumacraft
ModelMagnum 165 CS
ModelNavigator 165CS
Model Year2004
Model Year2001
Measurements / Dimensions
Beam81 in
Beam82"
Beam - Meters2.06
Beam - Meters2.08
Beam - Inches81
Beam - Inches82
Draft [drive up] - Detailn/a
Draft [drive up] - Detailnot available
Weight - Detail903 lbs
Weight - Detail880 lbs
Weight - kg409.59
Weight - kg399.16
Weight - lbs.903
Weight - lbs.88
Height - Detail36 in
Height - Detailnot available
Height - Meters0.91
Height - Metersnot available
Height - Inches36
Height - Inchesnot available
Height [transom]20 in. Width: 81 in
Height [transom]not available
Length overall - Detail16 ft. 5 in
Length overall - Detail16' 5"
Length overall - Meters5
Length overall - Meters4.88
Length overall - Inches197
Length overall - Inches192
Body / Hull
Hull materialAluminum
Hull materialAluminum
Engine and Drivetrain
Fuel tank capacity - Detail22 gal
Fuel tank capacity - Detail22 gallons
Fuel tank capacity - Liters83.28
Fuel tank capacity - Liters83.28
Fuel tank capacity - Gal22
Fuel tank capacity - Gal22
Engine max90 hp
Engine maxnot available
Engine/s standardnot available
Engine/s standard35 - 75hp
Operational Info
Water capacityn/a
Water capacitynot available
Maximum people5 persons
Maximum people5 person
Trailer Info
Trailer - Detailn/a
Trailer - Detailnot available

Alumacraft Magnum 165 CS 2004 vs Alumacraft Navigator 165CS 2001 — Common Questions

Which is easier to trailer — the Alumacraft Magnum 165 CS 2004 or the Alumacraft Navigator 165CS 2001?
For trailering, the Alumacraft Navigator 165CS 2001 has the edge at 88 lbs dry weight versus 903 lbs for the Alumacraft Magnum 165 CS 2004. 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.
What is the maximum horsepower rating for these boats?
The Alumacraft Magnum 165 CS 2004 has a documented max rating of 90 hp. Engine specifications for the Alumacraft Navigator 165CS 2001 were not available in our database — check the OEM spec sheet or manufacturer's website for confirmation.
How many people can each boat hold?
The Alumacraft Magnum 165 CS 2004 is Coast Guard rated for 5 passengers, while the Alumacraft Navigator 165CS 2001 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 165CS 2001 measures 82" wide, compared to 81" for the Alumacraft Magnum 165 CS 2004. 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.
How do the fuel tanks compare on the Alumacraft Magnum 165 CS 2004 and Alumacraft Navigator 165CS 2001?
Both boats carry similar fuel loads — 22 gallons and 22 gallons respectively. Range will depend heavily on motor choice, throttle usage, and whether you're on flat lake water or coastal chop.
Are the Alumacraft Magnum 165 CS 2004 and Alumacraft Navigator 165CS 2001 from the same manufacturer?
Yes — both the Alumacraft Magnum 165 CS 2004 and the Alumacraft Navigator 165CS 2001 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.