Detailed Evaluation & Buyer Recommendation
Alumacraft Tournament Sport 185 2005 vs Alumacraft Trophy 175 2011 — Same Brand, Different Boat
The Alumacraft Tournament Sport 185 2005 vs Alumacraft Trophy 175 2011 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.
On paper these two are close siblings in the size department — Alumacraft Tournament Sport 185 2005 at 18,0 ft versus Alumacraft Trophy 175 2011 at 17,7 ft. Weight tells a clearer story for trailering families: the Alumacraft Trophy 175 2011 tips the scales at 155 lbs — 139 lbs less than the Alumacraft Tournament Sport 185 2005 at 16 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 power gap is worth calling out. Rated to 200 hp, the Alumacraft Tournament Sport 185 2005 has a 50-hp advantage over the Alumacraft Trophy 175 2011's 150-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Both carry nearly identical fuel loads — 41 gal and 38 gal — so range won't be a tiebreaker here.
For family outings this is probably the sharpest distinction between the two. The Alumacraft Trophy 175 2011 is rated for 7 passengers, while the Alumacraft Tournament Sport 185 2005 caps at 6. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Alumacraft Trophy 175 2011 could be the deciding factor.
At this size, power-to-weight ratio matters more than outright horsepower. The Alumacraft Tournament Sport 185 2005 comes in at 0 lbs per hp versus 1 lbs per hp for the Alumacraft Trophy 175 2011. The lower the ratio the more explosive the acceleration — meaningful on a short RIB where bursts of speed, quick planing, and agility in surf or tight waterways define the experience.
Bottom line: Choose the Alumacraft Trophy 175 2011 if your priority is putting more people on the water — it handles 7 passengers and at 17,7 ft it has the deck room to back that rating up comfortably. The Alumacraft Tournament Sport 185 2005 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 6 that costs less to run day-to-day.
General Boat Info
MakeAlumacraft
MakeAlumacraft
ModelTournament Sport 185
ModelTrophy 175
Model Year2005
Model Year2011
Measurements / Dimensions
Beam96 in. (2.43 m)
Beam94 in. (2.4 m)
Beam - Meters2.44
Beam - Meters2.39
Beam - Inches96
Beam - Inches94
Depth - Detail43 in. (1.1 m) Maximum to floor: 22 in. (.56 m)
Depth - Detailnot available
Depth - Centimeters109.22
Depth - Centimetersnot available
Depth - Inches43
Depth - Inchesnot available
Weight - Detail1600 lbs. (725 kg)
Weight - Detail1,550 lbs. (703 kg)
Weight - kg725.75
Weight - kg703.07
Weight - lbs.16
Weight - lbs.155
Width [transom] - Detail95 in. (2.41 m)
Width [transom] - Detail94 in. (2.4 m)
Height [transom]25 in. (.64 m)
Height [transom]25 in. (0.64 m)
Length - Meters5.76
Length - Metersnot available
Length - Feet18
Length - Feet17.67
Length - Inches11
Length - Inchesnot available
Length overall - Detail18 ft. 11 in. (5.76 m)
Length overall - Detail17 ft. 8 in. (5.3 m)
Length overall - Meters5.77
Length overall - Meters5.38
Length overall - Inches227
Length overall - Inches212
Draft [max] - Detailnot available
Draft [max] - Detail43 in. (1.1 m) To Floor: 25 in. (0.64 m)
Draft [max] - Metersnot available
Draft [max] - Meters1.09
Draft [max] - Inchesnot available
Draft [max] - Inches43
Body / Hull
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
Hull thicknessBottom and Sides: 0.080 in. (2 mm)
Hull materialnot available
Hull materialAluminum
Hull typenot available
Hull typeDeep Vee
Engine and Drivetrain
Fuel tank capacity - Detail41 gal. with reserve (155 l)
Fuel tank capacity - Detail38 gal. (144 l)
Fuel tank capacity - Liters155.2
Fuel tank capacity - Liters143.85
Fuel tank capacity - Gal41
Fuel tank capacity - Gal38
Engine max200 hp (148 kw)
Engine max150 hp (112 kW)
Fuel typenot available
Fuel typeGas
Drive typenot available
Drive typeOutboard
Operational Info
Maximum people6
Maximum people7
Storagenot available
StorageBow Livewell: 22 gal. (83.3 l) Aft Livewell: 21 gal. (71 l)
Maximum capacitynot available
Maximum capacity1,600 lbs. (725 kg)