Alumacraft Competitor 185 Sport 2012 boat specs
Alumacraft
Alumacraft Competitor 185 Sport 2012
2012
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VS
Alumacraft Invader 185 2005 boat specs
Alumacraft
Alumacraft Invader 185 2005
2005
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Alumacraft Competitor 185 Sport 2012 vs Alumacraft Invader 185 2005 — Same Brand, Different Boat

The Alumacraft Competitor 185 Sport 2012 vs Alumacraft Invader 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.

On paper these two are close siblings in the size department — Alumacraft Competitor 185 Sport 2012 at 18,7 ft versus Alumacraft Invader 185 2005 at 18,0 ft. At 15 lbs and 13 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.

Both boats share a closely matched power ceiling — 150 hp for the Alumacraft Competitor 185 Sport 2012 and 150 hp for the Alumacraft Invader 185 2005. Real-world performance will come down more to which motor is actually bolted on, its load at the time, and whether it's a 4-stroke or 2-stroke setup. Both carry nearly identical fuel loads — 35 gal and 35 gal — so range won't be a tiebreaker here.

For family outings this is probably the sharpest distinction between the two. The Alumacraft Competitor 185 Sport 2012 is rated for 6 passengers, while the Alumacraft Invader 185 2005 caps at 4. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Alumacraft Competitor 185 Sport 2012 could be the deciding factor.

Bottom line: Choose the Alumacraft Competitor 185 Sport 2012 if your priority is putting more people on the water — it handles 6 passengers and at 18,7 ft it has the deck room to back that rating up comfortably. The Alumacraft Invader 185 2005 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 4 that costs less to run day-to-day.
General Boat Info
MakeAlumacraft
MakeAlumacraft
ModelCompetitor 185 Sport
ModelInvader 185
Model Year2012
Model Year2005
Measurements / Dimensions
Beam95 in. (2.41 m)
Beam92 in. (2.33 m) Bottom: 67 in. (1.70 m)
Beam - Meters2.41
Beam - Meters2.34
Beam - Inches95
Beam - Inches92
Depth - Detail43 in. (1.09 m) To Floor: 23 in. (0.58 m)
Depth - Detailnot available
Depth - Centimeters109.22
Depth - Centimetersnot available
Depth - Inches43
Depth - Inchesnot available
Weight - Detail1,500 lbs. (680 kg)
Weight - Detail1,300 lbs. (590 kg)
Weight - kg680.39
Weight - kg589.67
Weight - lbs.15
Weight - lbs.13
Width [transom] - Detail95 in. (2.36 m)
Width [transom] - Detail92 in. (2.33 m)
Height [transom]25 in. (0.64 m)
Height [transom]22 in. (0.6 m)
Length - Feet18.67
Length - Feet18
Length overall - Detail18 ft. 8 in. (5.38 m)
Length overall - Detail18 ft. 4 in. (5.59 m)
Length overall - Meters5.69
Length overall - Meters5.59
Length overall - Inches224
Length overall - Inches22
Height - Detailnot available
Height - Detail23 in. (0.58 m)
Height - Metersnot available
Height - Meters0.58
Height - Inchesnot available
Height - Inches23
Length - Metersnot available
Length - Meters5.59
Length - Inchesnot available
Length - Inches4
Body / Hull
Hull materialAluminum
Hull materialAluminum
Hull thicknessBottom and Sides: 0.080 in. (2 mm)
Hull thicknessBottom/sides: .102 in. (2.5 mm)
Hull typeDeep Vee
Hull typenot available
Engine and Drivetrain
Fuel tank capacity - Detail35 gal. (132.5 l)
Fuel tank capacity - Detail35 gal. (132 l)
Fuel tank capacity - Liters132.49
Fuel tank capacity - Liters132.49
Fuel tank capacity - Gal35
Fuel tank capacity - Gal35
Fuel typeGas
Fuel typenot available
Drive typeOutboard
Drive typenot available
Engine max150 hp (112 kW)
Engine max150 hp (111 kw)
Operational Info
StorageBow Livewell: 22 gal. (83.3 l) Aft Livewell: 21 gal. (79.5 l)
Storagenot available
Maximum capacity1,600 lbs. (725 kg)
Maximum capacitynot available
Maximum people6
Maximum people4

Alumacraft Competitor 185 Sport 2012 vs Alumacraft Invader 185 2005 — Common Questions

Which is the larger boat — the Alumacraft Competitor 185 Sport 2012 or the Alumacraft Invader 185 2005?
The Alumacraft Competitor 185 Sport 2012 is the longer of the two at 18,7 feet overall. The Alumacraft Invader 185 2005 comes in at 18,0 feet, making it roughly 0,7 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Alumacraft Competitor 185 Sport 2012 or the Alumacraft Invader 185 2005?
For trailering, the Alumacraft Invader 185 2005 has the edge at 13 lbs dry weight versus 15 lbs for the Alumacraft Competitor 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.
How many people can each boat hold?
The Alumacraft Competitor 185 Sport 2012 is Coast Guard rated for 6 passengers, while the Alumacraft Invader 185 2005 is certified for 4. 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 Competitor 185 Sport 2012 measures 95" wide, compared to 92" for the Alumacraft Invader 185 2005. 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 Competitor 185 Sport 2012 and Alumacraft Invader 185 2005?
Both boats carry similar fuel loads — 35 gallons and 35 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 Competitor 185 Sport 2012 and Alumacraft Invader 185 2005 from the same manufacturer?
Yes — both the Alumacraft Competitor 185 Sport 2012 and the Alumacraft Invader 185 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.