Alumacraft MV 1860 SPC 2003 vs Alumacraft Navigator 165 CS 2005 - Boat Spec Comparison

Q: Which is easier to trailer — the Alumacraft MV 1860 SPC 2003 or the Alumacraft Navigator 165 CS 2005?

For trailering, the Alumacraft MV 1860 SPC 2003 has the edge at 78 lbs dry weight versus 965 lbs for the Alumacraft Navigator 165 CS 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.

Q: How many people can each boat hold?

The Alumacraft MV 1860 SPC 2003 is Coast Guard rated for 6 passengers, while the Alumacraft Navigator 165 CS 2005 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 MV 1860 SPC 2003 measures 86" wide, compared to 9" for the Alumacraft Navigator 165 CS 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.

Q: Are the Alumacraft MV 1860 SPC 2003 and Alumacraft Navigator 165 CS 2005 from the same manufacturer?

Yes — both the Alumacraft MV 1860 SPC 2003 and the Alumacraft Navigator 165 CS 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.

Boat Comparison

Alumacraft MV 1860 SPC 2003 vs Alumacraft Navigator 165 CS 2005

Alumacraft

Alumacraft MV 1860 SPC 2003

2003

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Alumacraft

Alumacraft Navigator 165 CS 2005

2005

View full specs →

Detailed Evaluation & Buyer Recommendation

Alumacraft MV 1860 SPC 2003 vs Alumacraft Navigator 165 CS 2005 — Same Brand, Different Boat

The Alumacraft MV 1860 SPC 2003 vs Alumacraft Navigator 165 CS 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 — 90 hp for the Alumacraft MV 1860 SPC 2003 and 90 hp for the Alumacraft Navigator 165 CS 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.

For family outings this is probably the sharpest distinction between the two. The Alumacraft MV 1860 SPC 2003 is rated for 6 passengers, while the Alumacraft Navigator 165 CS 2005 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Alumacraft MV 1860 SPC 2003 could be the deciding factor.

Bottom line: Choose the Alumacraft MV 1860 SPC 2003 if your priority is putting more people on the water — it handles 6 passengers and at 0,0 ft it has the deck room to back that rating up comfortably. The Alumacraft Navigator 165 CS 2005 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 5 that costs less to run day-to-day.

General Boat Info

MakeAlumacraft

ModelMV 1860 SPC

ModelNavigator 165 CS

Model Year2003

Model Year2005

Measurements / Dimensions

Beam86 in

Beam90 in. (2.29 m)

Beam - Meters2.18

Beam - Meters2.29

Beam - Inches86

Beam - Inches9

Draft [drive up] - DetailN/A

Draft [drive up] - Detailnot available

Weight - Detail780 lbs

Weight - Detail965 lbs. (438 kg)

Weight - kg353.8

Weight - kg437.72

Weight - lbs.78

Weight - lbs.965

Height - Detail25 in

Height - Detailnot available

Height - Meters0.64

Height - Metersnot available

Height - Inches25

Height - Inchesnot available

Height [transom]21 in

Height [transom]20 in. (.51 m)

Length overall - Detail18 ft

Length overall - Detail16 ft. 7 in. (5.05 m)

Length overall - Meters5.49

Length overall - Meters5.05

Length overall - Inches216

Length overall - Inches199

Depth - Detailnot available

Depth - Detail36 in. (.99 m) Maximum to floor: 21 in. (.53 m)

Depth - Centimetersnot available

Depth - Centimeters91.44

Depth - Inchesnot available

Depth - Inches36

Width [transom] - Detailnot available

Width [transom] - Detail90 in. (2.29 m)

Length - Metersnot available

Length - Meters5.05

Length - Feetnot available

Length - Feet16

Length - Inchesnot available

Length - Inches7

Body / Hull

Hull materialAluminum

Hull materialnot available

Hull thicknessnot available

Hull thicknessBottom: .098 in. (2.4 mm) Sides: .80 in. (2.0 mm) 2XB Bow?2nd plate: .080 in

Engine and Drivetrain

Fuel tank capacity - DetailN/A

Fuel tank capacity - Detail23 gal. (87 l)

Engine max90 hp Maximum outboard power w/console steering

Engine max90 hp (67 kw)

Fuel tank capacity - Litersnot available

Fuel tank capacity - Liters87.06

Fuel tank capacity - Galnot available

Fuel tank capacity - Gal23

Operational Info

Water capacityN/A

Water capacitynot available

Maximum people6 persons

Maximum people5

Trailer Info

Trailer - DetailN/A

Trailer - Detailnot available

Alumacraft MV 1860 SPC 2003 vs Alumacraft Navigator 165 CS 2005 — Common Questions

Which is easier to trailer — the Alumacraft MV 1860 SPC 2003 or the Alumacraft Navigator 165 CS 2005?

For trailering, the Alumacraft MV 1860 SPC 2003 has the edge at 78 lbs dry weight versus 965 lbs for the Alumacraft Navigator 165 CS 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.

How many people can each boat hold?

The Alumacraft MV 1860 SPC 2003 is Coast Guard rated for 6 passengers, while the Alumacraft Navigator 165 CS 2005 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 MV 1860 SPC 2003 measures 86" wide, compared to 9" for the Alumacraft Navigator 165 CS 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.

Are the Alumacraft MV 1860 SPC 2003 and Alumacraft Navigator 165 CS 2005 from the same manufacturer?

Yes — both the Alumacraft MV 1860 SPC 2003 and the Alumacraft Navigator 165 CS 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.

← Alumacraft MV 1860 SPC 2003 full specs ← Alumacraft Navigator 165 CS 2005 full specs