Alumacraft Dominator 185 Sport 2012 boat specs
Alumacraft
Alumacraft Dominator 185 Sport 2012
2012
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VS
Alumacraft Tournament Sport 175 2005 boat specs
Alumacraft
Alumacraft Tournament Sport 175 2005
2005
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Alumacraft Dominator 185 Sport 2012 vs Alumacraft Tournament Sport 175 2005 — Same Brand, Different Boat

The Alumacraft Dominator 185 Sport 2012 vs Alumacraft Tournament Sport 175 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.

On paper these two are close siblings in the size department — Alumacraft Dominator 185 Sport 2012 at 18,8 ft versus Alumacraft Tournament Sport 175 2005 at 17,0 ft. At 153 lbs and 153 lbs respectively, both sit in a similar weight class — either should pair comfortably with most mid-size SUVs and half-ton trucks, though always confirm your specific tow rating with the motor added.

The power gap is worth calling out. Rated to 175 hp, the Alumacraft Tournament Sport 175 2005 has a 25-hp advantage over the Alumacraft Dominator 185 Sport 2012'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 — 35 gal and 34 gal — so range won't be a tiebreaker here.

Both boats are rated for 6 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 Tournament Sport 175 2005 and its 175-hp ceiling. If fuel economy and quieter running matter more than top-end speed, the Alumacraft Dominator 185 Sport 2012 with its 150-hp rating is the more economical daily driver.
General Boat Info
MakeAlumacraft
MakeAlumacraft
ModelDominator 185 Sport
ModelTournament Sport 175
Model Year2012
Model Year2005
Measurements / Dimensions
Beam94 in. (2.38 m)
Beam96 in. (2.43 m)
Beam - Meters2.39
Beam - Meters2.44
Beam - Inches94
Beam - Inches96
Depth - Detail43 in. (1.09 m) To Floor: 23 in. (0.58 m)
Depth - Detail43 in. (1.1 m) Maximum to floor: 22 in. (.56 m)
Depth - Centimeters109.22
Depth - Centimeters109.22
Depth - Inches43
Depth - Inches43
Weight - Detail1,530 lbs. (694 kg)
Weight - Detail1530 lbs. (680 kg)
Weight - kg694
Weight - kg694
Weight - lbs.153
Weight - lbs.153
Width [transom] - Detail93 in. (2.36 m)
Width [transom] - Detail95 in. (2.41 m)
Height [transom]25 in. (0.64 m)
Height [transom]25 in. (.51 m)
Length - Feet18.75
Length - Feet17
Length overall - Detail18 ft. 9 in. (5.71 m)
Length overall - Detail17 ft. 11 in. (5.46 m)
Length overall - Meters5.72
Length overall - Meters5.46
Length overall - Inches225
Length overall - Inches215
Length - Metersnot available
Length - Meters5.46
Length - Inchesnot available
Length - Inches11
Body / Hull
Hull materialAluminum
Hull materialnot available
Hull thicknessBottom and Sides: 0.080 in. (2 mm)
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 typeDeep Vee
Hull typenot available
Engine and Drivetrain
Fuel tank capacity - Detail35 gal. (132 l)
Fuel tank capacity - Detail34 gal. with reserve (129 l)
Fuel tank capacity - Liters132.49
Fuel tank capacity - Liters128.7
Fuel tank capacity - Gal35
Fuel tank capacity - Gal34
Fuel typeGas
Fuel typenot available
Drive typeOutboard
Drive typenot available
Engine max150 hp (112 kW)
Engine max175 hp (130 kw)
Operational Info
StorageBow Livewell: 22 gal. (83.3 l) Aft Livewell: 13 gal. (49.21 l)
Storagenot available
Maximum capacity1,600 lbs. (726 kg)
Maximum capacitynot available
Maximum people6
Maximum people6

Alumacraft Dominator 185 Sport 2012 vs Alumacraft Tournament Sport 175 2005 — Common Questions

Which is the larger boat — the Alumacraft Dominator 185 Sport 2012 or the Alumacraft Tournament Sport 175 2005?
The Alumacraft Dominator 185 Sport 2012 is the longer of the two at 18,8 feet overall. The Alumacraft Tournament Sport 175 2005 comes in at 17,0 feet, making it roughly 1,8 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Alumacraft Dominator 185 Sport 2012 or the Alumacraft Tournament Sport 175 2005?
For trailering, the Alumacraft Tournament Sport 175 2005 has the edge at 153 lbs dry weight versus 153 lbs for the Alumacraft Dominator 185 Sport 2012. 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 Tournament Sport 175 2005 is rated to a maximum of 175 hp, giving it the larger power ceiling. The Alumacraft Dominator 185 Sport 2012 tops out at 150 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 Dominator 185 Sport 2012 is Coast Guard rated for 6 passengers, while the Alumacraft Tournament Sport 175 2005 is certified for 6. 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 Tournament Sport 175 2005 measures 96" wide, compared to 94" for the Alumacraft Dominator 185 Sport 2012. 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.
How do the fuel tanks compare on the Alumacraft Dominator 185 Sport 2012 and Alumacraft Tournament Sport 175 2005?
Both boats carry similar fuel loads — 35 gallons and 34 gallons respectively. Range will depend heavily on motor choice, throttle usage, and whether you're on flat lake water or coastal chop.
Are the Alumacraft Dominator 185 Sport 2012 and Alumacraft Tournament Sport 175 2005 from the same manufacturer?
Yes — both the Alumacraft Dominator 185 Sport 2012 and the Alumacraft Tournament Sport 175 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.