Detailed Evaluation & Buyer Recommendation
Alumacraft Navigator 185 Sport 2006 vs Alumacraft Trophy 205 2010 — Same Brand, Different Boat
Matching a modified vee Alumacraft Navigator 185 Sport 2006 against a deep vee Alumacraft Trophy 205 2010 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 Navigator 185 Sport 2006 at 18,0 ft versus Alumacraft Trophy 205 2010 at 20,7 ft. Weight tells a clearer story for trailering families: the Alumacraft Trophy 205 2010 tips the scales at 1 915 lbs — 1 771 lbs less than the Alumacraft Navigator 185 Sport 2006 at 144 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 225 hp, the Alumacraft Trophy 205 2010 has a 75-hp advantage over the Alumacraft Navigator 185 Sport 2006'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 — 4 gal and 6 gal — so range won't be a tiebreaker here.
For family outings this is probably the sharpest distinction between the two. The Alumacraft Trophy 205 2010 is rated for 9 passengers, while the Alumacraft Navigator 185 Sport 2006 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 205 2010 could be the deciding factor.
Bottom line: Choose the Alumacraft Trophy 205 2010 if your priority is putting more people on the water — it handles 9 passengers and at 20,7 ft it has the deck room to back that rating up comfortably. The Alumacraft Navigator 185 Sport 2006 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
ModelNavigator 185 Sport
ModelTrophy 205
Model Year2006
Model Year201
Measurements / Dimensions
Beam96 in. (2.44 m)
Beam98 in. (2.5 m)
Beam - Meters2.44
Beam - Meters2.49
Beam - Inches96
Beam - Inches98
Depth - DetailMaximum: 39 in. (.99 m) To Floor: 22 in. (.56 m)
Depth - DetailMaximum: 47 in. (1.2 m) To Floor: 27 in. (0.69 m)
Depth - Centimeters99.06
Depth - Centimeters119.38
Depth - Inches39
Depth - Inches47
Weight - Detail1,440 lbs. (653 kg)
Weight - Detail1,915 lbs. (869 kg)
Weight - kg653.17
Weight - kg868.63
Weight - lbs.144
Weight - lbs.1915
Width [transom] - Detail93 in. (2.36 m)
Width [transom] - Detail96 in. (2.45 m)
Height [transom]25 in. (.51 m)
Height [transom]25 in. (0.64 m)
Length - Meters5.66
Length - Meters6.3
Length - Feet18
Length - Feet20.67
Length - Inches7
Length - Inchesnot available
Length overall - Detail18 ft. 7 in. (5.66 m)
Length overall - Detail20 ft. 8 in. (6.3 m)
Length overall - Meters5.66
Length overall - Meters6.3
Length overall - Inches223
Length overall - Inches248
Body / Hull
Hull materialAluminum
Hull materialAluminum
Hull thicknessBottom: .098 in. (2.5 mm) Sides: .080 in. (2.0 mm) 2XB Bow?2nd Plate: .098 in
Hull thicknessBottom: 0.100 in. (2.5 mm)
Hull typeModified Vee
Hull typeDeep Vee
Engine and Drivetrain
Fuel tank capacity - Detail40 gal. (151 l)
Fuel tank capacity - Detail60 gal. (227 l)
Fuel tank capacity - Liters151.42
Fuel tank capacity - Liters227.12
Fuel tank capacity - Gal4
Fuel tank capacity - Gal6
Drive typeOutboard
Drive typeOutboard
Engine max150 hp (111 kw)
Engine max225 hp (167 kW)
Operational Info
Maximum capacity1,550 lbs. (703 kg)
Maximum capacity2,350 lbs. (1,066 kg)
Maximum people6
Maximum people9