Alumacraft 1648 2008 boat specs
Alumacraft
Alumacraft 1648 2008
2008
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VS
Alumacraft Navigator 175 Tiller 2007 boat specs
Alumacraft
Alumacraft Navigator 175 Tiller 2007
2007
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Alumacraft 1648 2008 vs Alumacraft Navigator 175 Tiller 2007 — Same Brand, Different Boat

Matching a flat Alumacraft 1648 2008 against a modified vee Alumacraft Navigator 175 Tiller 2007 means you're likely deciding between two genuinely different on-water experiences. Hull type shapes everything from ride quality and fuel burn to dock handling and resale trajectory.

On paper these two are close siblings in the size department — Alumacraft 1648 2008 at 16,0 ft versus Alumacraft Navigator 175 Tiller 2007 at 17,0 ft. Weight tells a clearer story for trailering families: the Alumacraft Navigator 175 Tiller 2007 tips the scales at 1 145 lbs — 860 lbs less than the Alumacraft 1648 2008 at 285 lbs. That difference is meaningful if you're working within a half-ton or three-quarter-ton truck's tow rating, especially once you factor in a motor, gear, and fuel.

The Alumacraft Navigator 175 Tiller 2007 tops out at 75 hp. Engine specs for the Alumacraft 1648 2008 aren't listed — confirm with a dealer before selecting an outboard.

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: The Alumacraft 1648 2008 and Alumacraft Navigator 175 Tiller 2007 are closely matched on the specs that matter most. Test-ride both on the water you actually use, check current dealer pricing, and factor in long-term service access before you sign.
General Boat Info
MakeAlumacraft
MakeAlumacraft
Model1648
ModelNavigator 175 Tiller
Model Year2008
Model Year2007
Measurements / Dimensions
Beam70 in
Beam95 in. (2.41 m)
Beam - Meters1.78
Beam - Meters2.41
Beam - Inches7
Beam - Inches95
Weight - Detail285 lbs
Weight - Detail1,145 lbs. (519 kg)
Weight - kg129.27
Weight - kg519.36
Weight - lbs.285
Weight - lbs.1145
Width [transom] - Detail48 in
Width [transom] - Detail93 in. (2.36 m)
Height - Detail21 in
Height - Detailnot available
Height - Meters0.53
Height - Metersnot available
Height - Inches21
Height - Inchesnot available
Height [transom]15 in. or 20 in
Height [transom]25 in. (0.63 m)
Length - Feet16
Length - Feet17
Length overall - Detail16 ft
Length overall - Detail17 ft. 8 in. (5.38 m)
Length overall - Meters4.88
Length overall - Meters5.38
Length overall - Inches192
Length overall - Inches212
Depth - Detailnot available
Depth - DetailMaximum: 43 in. (1.09 m) To Floor: 23 in. (0.57 m)
Depth - Centimetersnot available
Depth - Centimeters109.22
Depth - Inchesnot available
Depth - Inches43
Length - Metersnot available
Length - Meters5.38
Length - Inchesnot available
Length - Inches8
Body / Hull
Hull materialAluminum
Hull materialAluminum
Hull thickness0.070 in
Hull thicknessBottom: 0.080 in. (2 mm)
Hull typeFlat
Hull typeModified Vee
Engine and Drivetrain
Engine/s standard35 hp
Engine/s standardnot available
Fuel typeGas
Fuel typeGas
Drive typeOutboard
Drive typeOutboard
Fuel tank capacity - Detailnot available
Fuel tank capacity - Detail40 gal. (151 l)
Fuel tank capacity - Litersnot available
Fuel tank capacity - Liters151.42
Fuel tank capacity - Galnot available
Fuel tank capacity - Gal4
Engine maxnot available
Engine max75 hp (56 kW)
Operational Info
Maximum capacity1,010 lbs
Maximum capacity1,145 lbs. (519 kg)
Maximum people5
Maximum people5

Alumacraft 1648 2008 vs Alumacraft Navigator 175 Tiller 2007 — Common Questions

Which is the larger boat — the Alumacraft 1648 2008 or the Alumacraft Navigator 175 Tiller 2007?
The Alumacraft Navigator 175 Tiller 2007 is the longer of the two at 17,0 feet overall. The Alumacraft 1648 2008 comes in at 16,0 feet, making it roughly 1,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Alumacraft 1648 2008 or the Alumacraft Navigator 175 Tiller 2007?
For trailering, the Alumacraft 1648 2008 has the edge at 285 lbs dry weight versus 1 145 lbs for the Alumacraft Navigator 175 Tiller 2007. 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 Navigator 175 Tiller 2007 has a documented max rating of 75 hp. Engine specifications for the Alumacraft 1648 2008 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 1648 2008 is Coast Guard rated for 5 passengers, while the Alumacraft Navigator 175 Tiller 2007 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 Tiller 2007 measures 95" wide, compared to 7" for the Alumacraft 1648 2008. 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 1648 2008 and Alumacraft Navigator 175 Tiller 2007 from the same manufacturer?
Yes — both the Alumacraft 1648 2008 and the Alumacraft Navigator 175 Tiller 2007 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.