Alumacraft Navigator 175 Sport 2012 boat specs
Alumacraft
Alumacraft Navigator 175 Sport 2012
2012
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VS
Alumacraft Trophy 175 2003 boat specs
Alumacraft
Alumacraft Trophy 175 2003
2003
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Alumacraft Navigator 175 Sport 2012 vs Alumacraft Trophy 175 2003 — Same Brand, Different Boat

The Alumacraft Navigator 175 Sport 2012 vs Alumacraft Trophy 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 — 150 hp for the Alumacraft Navigator 175 Sport 2012 and 150 hp for the Alumacraft Trophy 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 Navigator 175 Sport 2012 carries 35 gallons versus 23 gallons in the Alumacraft Trophy 175 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 6 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 Navigator 175 Sport 2012 and Alumacraft Trophy 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
ModelNavigator 175 Sport
ModelTrophy 175
Model Year2012
Model Year2003
Measurements / Dimensions
Beam95 in. (2.41 m)
Beam88 in
Beam - Meters2.41
Beam - Meters2.24
Beam - Inches95
Beam - Inches88
Depth - Detail43 in. (1.09 m) To Floor: 23 in. (0.58 m)
Depth - Detailnot available
Depth - Centimeters109.22
Depth - Centimetersnot available
Depth - Inches43
Depth - Inchesnot available
Weight - Detail1,357 lbs. (616 kg)
Weight - Detail1215 lbs
Weight - kg615.52
Weight - kg551.11
Weight - lbs.1357
Weight - lbs.1215
Width [transom] - Detail93 in. (2.36 m)
Width [transom] - Detailnot available
Height [transom]25 in. (0.64 m)
Height [transom]84 in. 20 in. W & H *25 in. available on special orders
Length - Feet17.67
Length - Feetnot available
Length overall - Detail17 ft. 8 in. (5.3 m)
Length overall - Detail17 ft. 6 in
Length overall - Meters5.38
Length overall - Meters5.33
Length overall - Inches212
Length overall - Inches21
Draft [drive up] - Detailnot available
Draft [drive up] - Detailn/a
Height - Detailnot available
Height - Detail41 in. depth
Height - Metersnot available
Height - Meters1.04
Height - Inchesnot available
Height - Inches41
Body / Hull
Hull materialAluminum
Hull materialAluminum
Hull thicknessBottom and Sides: 0.080 in. (2 mm)
Hull thicknessnot available
Hull typeDeep Vee
Hull typenot available
Engine and Drivetrain
Fuel tank capacity - Detail35 gal. (132 l)
Fuel tank capacity - Detail23 gal
Fuel tank capacity - Liters132.49
Fuel tank capacity - Liters87.06
Fuel tank capacity - Gal35
Fuel tank capacity - Gal23
Fuel typeGas
Fuel typenot available
Drive typeOutboard
Drive typenot available
Engine max150 hp (112 kW)
Engine max150 hp
Operational Info
StorageBow Livewell: 34 gal. (128.7 l) Aft Livewell: 21 gal. (71 l)
Storagenot available
Maximum capacity1,370 lbs. (621 kg)
Maximum capacitynot available
Maximum people6
Maximum people6 persons
Water capacitynot available
Water capacityn/a
Trailer Info
Trailer - Detailnot available
Trailer - Detailn/a
Options / Other
Optionsnot available
OptionsW & H *25" available on special Orders

Alumacraft Navigator 175 Sport 2012 vs Alumacraft Trophy 175 2003 — Common Questions

Which is easier to trailer — the Alumacraft Navigator 175 Sport 2012 or the Alumacraft Trophy 175 2003?
For trailering, the Alumacraft Trophy 175 2003 has the edge at 1 215 lbs dry weight versus 1 357 lbs for the Alumacraft Navigator 175 Sport 2012. 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.
How many people can each boat hold?
The Alumacraft Navigator 175 Sport 2012 is Coast Guard rated for 6 passengers, while the Alumacraft Trophy 175 2003 is certified for 6. 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 175 Sport 2012 measures 95" wide, compared to 88" for the Alumacraft Trophy 175 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 Navigator 175 Sport 2012 or the Alumacraft Trophy 175 2003?
The Alumacraft Navigator 175 Sport 2012 has the bigger tank at 35 gallons, versus 23 gallons on the Alumacraft Trophy 175 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 Navigator 175 Sport 2012 and Alumacraft Trophy 175 2003 from the same manufacturer?
Yes — both the Alumacraft Navigator 175 Sport 2012 and the Alumacraft Trophy 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.