Alumacraft MV 1648 2003 vs Alumacraft Navigator 175 Sport 2005 - Boat Spec Comparison

Q: Which is easier to trailer — the Alumacraft MV 1648 2003 or the Alumacraft Navigator 175 Sport 2005?

For trailering, the Alumacraft MV 1648 2003 has the edge at 27 lbs dry weight versus 1 345 lbs for the Alumacraft Navigator 175 Sport 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: Which boat can handle a bigger outboard?

The Alumacraft Navigator 175 Sport 2005 is rated to a maximum of 140 hp, giving it the larger power ceiling. The Alumacraft MV 1648 2003 tops out at 40 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.

Q: How many people can each boat hold?

The Alumacraft MV 1648 2003 is Coast Guard rated for 5 passengers, while the Alumacraft Navigator 175 Sport 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 Navigator 175 Sport 2005 measures 93" wide, compared to 7" for the Alumacraft MV 1648 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.

Q: Are the Alumacraft MV 1648 2003 and Alumacraft Navigator 175 Sport 2005 from the same manufacturer?

Yes — both the Alumacraft MV 1648 2003 and the Alumacraft Navigator 175 Sport 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 1648 2003 vs Alumacraft Navigator 175 Sport 2005

Alumacraft

Alumacraft MV 1648 2003

2003

View full specs →

Alumacraft

Alumacraft Navigator 175 Sport 2005

2005

View full specs →

Detailed Evaluation & Buyer Recommendation

Alumacraft MV 1648 2003 vs Alumacraft Navigator 175 Sport 2005 — Same Brand, Different Boat

The Alumacraft MV 1648 2003 vs Alumacraft Navigator 175 Sport 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.

The power gap is worth calling out. Rated to 140 hp, the Alumacraft Navigator 175 Sport 2005 has a 100-hp advantage over the Alumacraft MV 1648 2003's 40-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load.

Both boats are rated for 5 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: Performance buyers should lean toward the Alumacraft Navigator 175 Sport 2005 and its 140-hp ceiling. If fuel economy and quieter running matter more than top-end speed, the Alumacraft MV 1648 2003 with its 40-hp rating is the more economical daily driver.

General Boat Info

MakeAlumacraft

ModelMV 1648

ModelNavigator 175 Sport

Model Year2003

Model Year2005

Measurements / Dimensions

Beam70 in

Beam93 in. (2.36 m)

Beam - Meters1.78

Beam - Meters2.36

Beam - Inches7

Beam - Inches93

Draft [drive up] - DetailN/A

Draft [drive up] - Detailnot available

Weight - Detail270 lbs

Weight - Detail1345 lbs. (610 kg)

Weight - kg122.47

Weight - kg610.08

Weight - lbs.27

Weight - lbs.1345

Height - Detail21 in

Height - Detailnot available

Height - Meters0.53

Height - Metersnot available

Height - Inches21

Height - Inchesnot available

Height [transom]15 in

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

Length overall - Detail16 ft

Length overall - Detail17 ft. 6 in. (5.33 m)

Length overall - Meters4.88

Length overall - Meters5.33

Length overall - Inches192

Length overall - Inches21

Depth - Detailnot available

Depth - Detail39 in. (.99 m) Maximum to floor: 22 in. (.56 m)

Depth - Centimetersnot available

Depth - Centimeters99.06

Depth - Inchesnot available

Depth - Inches39

Width [transom] - Detailnot available

Width [transom] - Detail93 in. (2.36 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: .080 in. (2.0 mm) Sides: .80 in. (2.0 mm) 2XB Bow?2nd plate: .080 in. 2XB Bottom?2nd plate: .080 in

Engine and Drivetrain

Engine/s standard40 hp

Engine/s standardnot available

Fuel tank capacity - DetailN/A

Fuel tank capacity - Detail40 gal. (151 l)

Engine max40 hp TillerMaximum outboard power w/Tiller Steering

Engine max140 hp (104 kw)

Fuel tank capacity - Litersnot available

Fuel tank capacity - Liters151.42

Fuel tank capacity - Galnot available

Fuel tank capacity - Gal4

Operational Info

Water capacityN/A

Water capacitynot available

Maximum people5 persons

Maximum people5

Trailer Info

Trailer - DetailN/A

Trailer - Detailnot available

Alumacraft MV 1648 2003 vs Alumacraft Navigator 175 Sport 2005 — Common Questions

Which is easier to trailer — the Alumacraft MV 1648 2003 or the Alumacraft Navigator 175 Sport 2005?

For trailering, the Alumacraft MV 1648 2003 has the edge at 27 lbs dry weight versus 1 345 lbs for the Alumacraft Navigator 175 Sport 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 Navigator 175 Sport 2005 is rated to a maximum of 140 hp, giving it the larger power ceiling. The Alumacraft MV 1648 2003 tops out at 40 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 MV 1648 2003 is Coast Guard rated for 5 passengers, while the Alumacraft Navigator 175 Sport 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 Navigator 175 Sport 2005 measures 93" wide, compared to 7" for the Alumacraft MV 1648 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.

Are the Alumacraft MV 1648 2003 and Alumacraft Navigator 175 Sport 2005 from the same manufacturer?

Yes — both the Alumacraft MV 1648 2003 and the Alumacraft Navigator 175 Sport 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 1648 2003 full specs ← Alumacraft Navigator 175 Sport 2005 full specs