Alumacraft Invader 185 2004 vs Alumacraft Magnum 175CS 2001 - Boat Spec Comparison

Q: Which is easier to trailer — the Alumacraft Invader 185 2004 or the Alumacraft Magnum 175CS 2001?

For trailering, the Alumacraft Invader 185 2004 has the edge at 13 lbs dry weight versus 903 lbs for the Alumacraft Magnum 175CS 2001. 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.

Q: What is the maximum horsepower rating for these boats?

The Alumacraft Invader 185 2004 has a documented max rating of 150 hp. Engine specifications for the Alumacraft Magnum 175CS 2001 were not available in our database — check the OEM spec sheet or manufacturer's website for confirmation.

Q: How many people can each boat hold?

The Alumacraft Invader 185 2004 is Coast Guard rated for 4 passengers, while the Alumacraft Magnum 175CS 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.

Q: Which boat is wider, and does it affect trailering?

The Alumacraft Invader 185 2004 measures 92" wide, compared to 88" for the Alumacraft Magnum 175CS 2001. 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.

Q: Which boat has the larger fuel tank — the Alumacraft Invader 185 2004 or the Alumacraft Magnum 175CS 2001?

The Alumacraft Invader 185 2004 has the bigger tank at 42 gallons, versus 34 gallons on the Alumacraft Magnum 175CS 2001. That 8-gallon difference translates to roughly 24–40 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Q: Are the Alumacraft Invader 185 2004 and Alumacraft Magnum 175CS 2001 from the same manufacturer?

Yes — both the Alumacraft Invader 185 2004 and the Alumacraft Magnum 175CS 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.

Boat Comparison

Alumacraft Invader 185 2004 vs Alumacraft Magnum 175CS 2001

Alumacraft

Alumacraft Invader 185 2004

2004

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Alumacraft

Alumacraft Magnum 175CS 2001

2001

View full specs →

Detailed Evaluation & Buyer Recommendation

Alumacraft Invader 185 2004 vs Alumacraft Magnum 175CS 2001 — Same Brand, Different Boat

The Alumacraft Invader 185 2004 vs Alumacraft Magnum 175CS 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 Invader 185 2004 carries a rated maximum of 150 hp. Engine data for the Alumacraft Magnum 175CS 2001 wasn't available in our records — check the manufacturer's spec sheet before sizing a motor.Fuel capacity breaks the other way: the Alumacraft Invader 185 2004 carries 42 gallons versus 34 gallons in the Alumacraft Magnum 175CS 2001. 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 Magnum 175CS 2001 is rated for 5 passengers, while the Alumacraft Invader 185 2004 caps at 4. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Alumacraft Magnum 175CS 2001 could be the deciding factor.

Bottom line: Choose the Alumacraft Magnum 175CS 2001 if your priority is putting more people on the water — it handles 5 passengers and at 0,0 ft it has the deck room to back that rating up comfortably. The Alumacraft Invader 185 2004 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

ModelInvader 185

ModelMagnum 175CS

Model Year2004

Model Year2001

Measurements / Dimensions

Beam92 in. Bottom: 67 in

Beam88"

Beam - Meters2.34

Beam - Meters2.24

Beam - Inches92

Beam - Inches88

Draft [drive up] - Detailn/a

Draft [drive up] - Detailnot available

Weight - Detail1300 lbs

Weight - Detail903 lbs

Weight - kg589.67

Weight - kg409.59

Weight - lbs.13

Weight - lbs.903

Height - Detail23 in

Height - Detailnot available

Height - Meters0.58

Height - Metersnot available

Height - Inches23

Height - Inchesnot available

Height [transom]22 in. Width: 92 in

Height [transom]not available

Length overall - Detail18 ft. 4 in

Length overall - Detail17' 11"

Length overall - Meters5.59

Length overall - Meters5.18

Length overall - Inches22

Length overall - Inches204

Body / Hull

Hull materialAluminum

Engine and Drivetrain

Fuel tank capacity - Detail42 gal

Fuel tank capacity - Detail34 gallons

Fuel tank capacity - Liters158.99

Fuel tank capacity - Liters128.7

Fuel tank capacity - Gal42

Fuel tank capacity - Gal34

Engine max150 hp

Engine maxnot available

Engine/s standardnot available

Engine/s standard50 - 130 hp

Operational Info

Water capacityn/a

Water capacitynot available

Maximum people4 persons

Maximum people5 person

Trailer Info

Trailer - Detailn/a

Trailer - Detailnot available

Alumacraft Invader 185 2004 vs Alumacraft Magnum 175CS 2001 — Common Questions

Which is easier to trailer — the Alumacraft Invader 185 2004 or the Alumacraft Magnum 175CS 2001?

For trailering, the Alumacraft Invader 185 2004 has the edge at 13 lbs dry weight versus 903 lbs for the Alumacraft Magnum 175CS 2001. 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 Invader 185 2004 has a documented max rating of 150 hp. Engine specifications for the Alumacraft Magnum 175CS 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 Invader 185 2004 is Coast Guard rated for 4 passengers, while the Alumacraft Magnum 175CS 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 Invader 185 2004 measures 92" wide, compared to 88" for the Alumacraft Magnum 175CS 2001. 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 2004 or the Alumacraft Magnum 175CS 2001?

The Alumacraft Invader 185 2004 has the bigger tank at 42 gallons, versus 34 gallons on the Alumacraft Magnum 175CS 2001. 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 2004 and Alumacraft Magnum 175CS 2001 from the same manufacturer?

Yes — both the Alumacraft Invader 185 2004 and the Alumacraft Magnum 175CS 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.

← Alumacraft Invader 185 2004 full specs ← Alumacraft Magnum 175CS 2001 full specs