Alumacraft Magnum 165  2003 boat specs
Alumacraft
Alumacraft Magnum 165 2003
2003
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VS
Alumacraft Magnum 175  2003 boat specs
Alumacraft
Alumacraft Magnum 175 2003
2003
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Alumacraft Magnum 165 2003 vs Alumacraft Magnum 175 2003 — Same Brand, Different Boat

The Alumacraft Magnum 165 2003 vs Alumacraft Magnum 175 2003 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.

Both boats share a closely matched power ceiling — 65 hp for the Alumacraft Magnum 165 2003 and 80 hp for the Alumacraft Magnum 175 2003. 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 Alumacraft Magnum 175 2003 carries 34 gallons versus 22 gallons in the Alumacraft Magnum 165 2003. 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: The Alumacraft Magnum 165 2003 and Alumacraft Magnum 175 2003 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
ModelMagnum 175
Model Year2003
Model Year2003
Measurements / Dimensions
Beam81 in
Beam88 in
Beam - Meters2.06
Beam - Meters2.24
Beam - Inches81
Beam - Inches88
Draft [drive up] - Detailn/a
Draft [drive up] - Detailn/a
Weight - Detail840 lbs
Weight - Detail1135 lbs
Weight - kg381.02
Weight - kg514.83
Weight - lbs.84
Weight - lbs.1135
Height - Detail36 in
Height - Detail41 in
Height - Meters0.91
Height - Meters1.04
Height - Inches36
Height - Inches41
Height [transom]81 in. 20 in
Height [transom]88 in. 20 in
Length overall - Detail16 ft. 5 in
Length overall - Detail17 ft. 11 in
Length overall - Meters5
Length overall - Meters5.46
Length overall - Inches197
Length overall - Inches215
Body / Hull
Hull materialAluminum
Hull materialAluminum
Engine and Drivetrain
Fuel tank capacity - Detail22 gal
Fuel tank capacity - Detail34 gal
Fuel tank capacity - Liters83.28
Fuel tank capacity - Liters128.7
Fuel tank capacity - Gal22
Fuel tank capacity - Gal34
Engine max65 hp
Engine max80 hp
Operational Info
Water capacityn/a
Water capacityn/a
Maximum people5 persons
Maximum people5 persons
Trailer Info
Trailer - Detailn/a
Trailer - Detailn/a

Alumacraft Magnum 165 2003 vs Alumacraft Magnum 175 2003 — Common Questions

Which is easier to trailer — the Alumacraft Magnum 165 2003 or the Alumacraft Magnum 175 2003?
For trailering, the Alumacraft Magnum 165 2003 has the edge at 84 lbs dry weight versus 1 135 lbs for the Alumacraft Magnum 175 2003. 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 Magnum 175 2003 is rated to a maximum of 80 hp, giving it the larger power ceiling. The Alumacraft Magnum 165 2003 tops out at 65 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 Magnum 165 2003 is Coast Guard rated for 5 passengers, while the Alumacraft Magnum 175 2003 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 Magnum 175 2003 measures 88" wide, compared to 81" for the Alumacraft Magnum 165 2003. 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 Magnum 165 2003 or the Alumacraft Magnum 175 2003?
The Alumacraft Magnum 175 2003 has the bigger tank at 34 gallons, versus 22 gallons on the Alumacraft Magnum 165 2003. That 12-gallon difference translates to roughly 36–60 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Alumacraft Magnum 165 2003 and Alumacraft Magnum 175 2003 from the same manufacturer?
Yes — both the Alumacraft Magnum 165 2003 and the Alumacraft Magnum 175 2003 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.