Alumacraft Invader 185 2002 boat specs
Alumacraft
Alumacraft Invader 185 2002
2002
View full specs →
VS
Alumacraft Trophy 175 2005 boat specs
Alumacraft
Alumacraft Trophy 175 2005
2005
View full specs →

Alumacraft Invader 185 2002 vs Alumacraft Trophy 175 2005 — Same Brand, Different Boat

The Alumacraft Invader 185 2002 vs Alumacraft Trophy 175 2005 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 Trophy 175 2005. 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 Invader 185 2002 carries 27 gallons versus 23 gallons in the Alumacraft Trophy 175 2005. 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 Trophy 175 2005 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 Trophy 175 2005 could be the deciding factor.

Bottom line: Choose the Alumacraft Trophy 175 2005 if your priority is putting more people on the water — it handles 6 passengers and at 17,0 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
ModelTrophy 175
Model Year2002
Model Year2005
Measurements / Dimensions
Beam92"
Beam88 in. (2.24 m)
Beam - Meters2.34
Beam - Meters2.24
Beam - Inches92
Beam - Inches88
Weight - Detail1300 lbs
Weight - Detail1,215 lbs. (547 kg)
Weight - kg589.67
Weight - kg551.11
Weight - lbs.13
Weight - lbs.1215
Height - Detail23"
Height - Detailnot available
Height - Meters0.58
Height - Metersnot available
Height - Inches23
Height - Inchesnot available
Height [transom]22"
Height [transom]20 in. (0.51 m)
Length overall - Detail18' 4"
Length overall - Detail17 ft. 6 in. (5.33 m)
Length overall - Meters5.49
Length overall - Meters5.33
Length overall - Inches216
Length overall - Inches21
Depth - Detailnot available
Depth - Detail41 in. (1.04 m) Maximum to floor: 25.5 in. (0.65 m)
Depth - Centimetersnot available
Depth - Centimeters104.14
Depth - Inchesnot available
Depth - Inches41
Width [transom] - Detailnot available
Width [transom] - Detail84 in. (2.1 m)
Length - Metersnot available
Length - Meters5.33
Length - Feetnot available
Length - Feet17
Length - Inchesnot available
Length - Inches6
Body / Hull
Hull materialAluminum
Hull materialnot available
Hull thicknessnot available
Hull thicknessBottom: .100 in. (2.5 mm) Sides: .080 in. (2.0 mm) 2XB Bow?2nd plate: .080 in. 2XB Bottom?2nd plate: .060 in
Engine and Drivetrain
Fuel tank capacity - Detail27 gal
Fuel tank capacity - Detail23 gal. (97 l)
Fuel tank capacity - Liters102.21
Fuel tank capacity - Liters87.06
Fuel tank capacity - Gal27
Fuel tank capacity - Gal23
Engine max135 HP
Engine max150 hp (111 kw)
Operational Info
Maximum people4 persons
Maximum people6

Alumacraft Invader 185 2002 vs Alumacraft Trophy 175 2005 — Common Questions

Which is easier to trailer — the Alumacraft Invader 185 2002 or the Alumacraft Trophy 175 2005?
For trailering, the Alumacraft Invader 185 2002 has the edge at 13 lbs dry weight versus 1 215 lbs for the Alumacraft Trophy 175 2005. 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 175 2005 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 Trophy 175 2005 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 Invader 185 2002 measures 92" wide, compared to 88" for the Alumacraft Trophy 175 2005. 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 Trophy 175 2005?
The Alumacraft Invader 185 2002 has the bigger tank at 27 gallons, versus 23 gallons on the Alumacraft Trophy 175 2005. That 4-gallon difference translates to roughly 12–20 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Alumacraft Invader 185 2002 and Alumacraft Trophy 175 2005 from the same manufacturer?
Yes — both the Alumacraft Invader 185 2002 and the Alumacraft Trophy 175 2005 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.