Detailed Evaluation & Buyer Recommendation
Alumacraft 1648 2004 vs Alumacraft Tournament Sport 185 2005 — Same Brand, Different Boat
The Alumacraft 1648 2004 vs Alumacraft Tournament Sport 185 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 200 hp, the Alumacraft Tournament Sport 185 2005 has a 165-hp advantage over the Alumacraft 1648 2004's 35-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load.
For family outings this is probably the sharpest distinction between the two. The Alumacraft Tournament Sport 185 2005 is rated for 6 passengers, while the Alumacraft 1648 2004 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Alumacraft Tournament Sport 185 2005 could be the deciding factor.
Bottom line: Choose the Alumacraft Tournament Sport 185 2005 if your priority is putting more people on the water — it handles 6 passengers and at 18,0 ft it has the deck room to back that rating up comfortably. The Alumacraft 1648 2004 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
MakeAlumacraft
Model1648
ModelTournament Sport 185
Model Year2004
Model Year2005
Measurements / Dimensions
Beam70 in
Beam96 in. (2.43 m)
Beam - Meters1.78
Beam - Meters2.44
Beam - Inches7
Beam - Inches96
Weight - Detail260 lbs
Weight - Detail1600 lbs. (725 kg)
Weight - kg117.93
Weight - kg725.75
Weight - lbs.26
Weight - lbs.16
Height - Detail21 in
Height - Detailnot available
Height - Meters0.53
Height - Metersnot available
Height - Inches21
Height - Inchesnot available
Height [transom]15 in
Height [transom]25 in. (.64 m)
Length overall - Detail16 ft
Length overall - Detail18 ft. 11 in. (5.76 m)
Length overall - Meters4.88
Length overall - Meters5.77
Length overall - Inches192
Length overall - Inches227
Depth - Detailnot available
Depth - Detail43 in. (1.1 m) Maximum to floor: 22 in. (.56 m)
Depth - Centimetersnot available
Depth - Centimeters109.22
Depth - Inchesnot available
Depth - Inches43
Width [transom] - Detailnot available
Width [transom] - Detail95 in. (2.41 m)
Length - Metersnot available
Length - Meters5.76
Length - Feetnot available
Length - Feet18
Length - Inchesnot available
Length - Inches11
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: .100 in. 2XB Bottom?2nd plate: .080 in
Engine and Drivetrain
Engine max35 hp w/Tiller Steering
Engine max200 hp (148 kw)
Fuel tank capacity - Detailnot available
Fuel tank capacity - Detail41 gal. with reserve (155 l)
Fuel tank capacity - Litersnot available
Fuel tank capacity - Liters155.2
Fuel tank capacity - Galnot available
Fuel tank capacity - Gal41
Operational Info
Maximum people5 persons
Maximum people6