Alumacraft Invader 185 2002 boat specs
Alumacraft
Alumacraft Invader 185 2002
2002
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VS
Alumacraft Navigator 175 CS 2012 boat specs
Alumacraft
Alumacraft Navigator 175 CS 2012
2012
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Alumacraft Invader 185 2002 vs Alumacraft Navigator 175 CS 2012 — Same Brand, Different Boat

The Alumacraft Invader 185 2002 vs Alumacraft Navigator 175 CS 2012 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 — 135 hp for the Alumacraft Invader 185 2002 and 150 hp for the Alumacraft Navigator 175 CS 2012. 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 CS 2012 carries 35 gallons versus 27 gallons in the Alumacraft Invader 185 2002. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

For family outings this is probably the sharpest distinction between the two. The Alumacraft Navigator 175 CS 2012 is rated for 6 passengers, while the Alumacraft Invader 185 2002 caps at 4. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Alumacraft Navigator 175 CS 2012 could be the deciding factor.

Bottom line: Choose the Alumacraft Navigator 175 CS 2012 if your priority is putting more people on the water — it handles 6 passengers and at 17,7 ft it has the deck room to back that rating up comfortably. The Alumacraft Invader 185 2002 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 4 that costs less to run day-to-day.
General Boat Info
MakeAlumacraft
MakeAlumacraft
ModelInvader 185
ModelNavigator 175 CS
Model Year2002
Model Year2012
Measurements / Dimensions
Beam92"
Beam95 in. (2.41 m)
Beam - Meters2.34
Beam - Meters2.41
Beam - Inches92
Beam - Inches95
Weight - Detail1300 lbs
Weight - Detail1,270 lbs. (576 kg)
Weight - kg589.67
Weight - kg576.06
Weight - lbs.13
Weight - lbs.127
Height - Detail23"
Height - Detailnot available
Height - Meters0.58
Height - Metersnot available
Height - Inches23
Height - Inchesnot available
Height [transom]22"
Height [transom]25 in. (0.64 m)
Length overall - Detail18' 4"
Length overall - Detail17 ft. 8 in. (5.3 m)
Length overall - Meters5.49
Length overall - Meters5.38
Length overall - Inches216
Length overall - Inches212
Depth - Detailnot available
Depth - Detail43 in. (1.09 m) To Floor: 23 in. (0.58 m)
Depth - Centimetersnot available
Depth - Centimeters109.22
Depth - Inchesnot available
Depth - Inches43
Width [transom] - Detailnot available
Width [transom] - Detail93 in. (2.36 m)
Length - Feetnot available
Length - Feet17.67
Body / Hull
Hull materialAluminum
Hull materialAluminum
Hull thicknessnot available
Hull thicknessBottom and Sides: 0.080 in. (2 mm)
Hull typenot available
Hull typeDeep Vee
Engine and Drivetrain
Fuel tank capacity - Detail27 gal
Fuel tank capacity - Detail35 gal. (132 l)
Fuel tank capacity - Liters102.21
Fuel tank capacity - Liters132.49
Fuel tank capacity - Gal27
Fuel tank capacity - Gal35
Engine max135 HP
Engine max150 hp (112 kW)
Fuel typenot available
Fuel typeGas
Drive typenot available
Drive typeOutboard
Operational Info
Maximum people4 persons
Maximum people6
Storagenot available
StorageBow Livewell: 34 gal. (128.7 l) Aft Livewell: 21 gal. (71 l)
Maximum capacitynot available
Maximum capacity1,370 lbs. (621 kg)

Alumacraft Invader 185 2002 vs Alumacraft Navigator 175 CS 2012 — Common Questions

Which is easier to trailer — the Alumacraft Invader 185 2002 or the Alumacraft Navigator 175 CS 2012?
For trailering, the Alumacraft Invader 185 2002 has the edge at 13 lbs dry weight versus 127 lbs for the Alumacraft Navigator 175 CS 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.
Which boat can handle a bigger outboard?
The Alumacraft Navigator 175 CS 2012 is rated to a maximum of 150 hp, giving it the larger power ceiling. The Alumacraft Invader 185 2002 tops out at 135 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 Invader 185 2002 is Coast Guard rated for 4 passengers, while the Alumacraft Navigator 175 CS 2012 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 CS 2012 measures 95" wide, compared to 92" for the Alumacraft Invader 185 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 Invader 185 2002 or the Alumacraft Navigator 175 CS 2012?
The Alumacraft Navigator 175 CS 2012 has the bigger tank at 35 gallons, versus 27 gallons on the Alumacraft Invader 185 2002. That 8-gallon difference translates to roughly 24–40 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Alumacraft Invader 185 2002 and Alumacraft Navigator 175 CS 2012 from the same manufacturer?
Yes — both the Alumacraft Invader 185 2002 and the Alumacraft Navigator 175 CS 2012 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.