Detailed Evaluation & Buyer Recommendation
Alumacraft Navigator 185 Sport 2005 vs Alumacraft Trophy 205 2013 — Same Brand, Different Boat
The Alumacraft Navigator 185 Sport 2005 vs Alumacraft Trophy 205 2013 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 Navigator 185 Sport 2005 at 18,0 ft versus Alumacraft Trophy 205 2013 at 20,7 ft. Weight tells a clearer story for trailering families: the Alumacraft Trophy 205 2013 tips the scales at 1 915 lbs — 1 771 lbs less than the Alumacraft Navigator 185 Sport 2005 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 250 hp, the Alumacraft Trophy 205 2013 has a 100-hp advantage over the Alumacraft Navigator 185 Sport 2005's 150-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Alumacraft Trophy 205 2013 carries 45 gallons versus 4 gallons in the Alumacraft Navigator 185 Sport 2005. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.
For family outings this is probably the sharpest distinction between the two. The Alumacraft Trophy 205 2013 is rated for 9 passengers, while the Alumacraft Navigator 185 Sport 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 205 2013 could be the deciding factor.
Bottom line: Choose the Alumacraft Trophy 205 2013 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 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
ModelNavigator 185 Sport
ModelTrophy 205
Model Year2005
Model Year2013
Measurements / Dimensions
Beam96 in. (2.44 m)
Beam96 in. (2.44 m)
Beam - Meters2.44
Beam - Meters2.44
Beam - Inches96
Beam - Inches96
Depth - Detail39 in. (.99 m) Maximum to floor: 22 in. (.56 m)
Depth - Detail47 - 27 in. (1.2 - 0.69 m) max to floor
Depth - Centimeters99.06
Depth - Centimeters68.58
Depth - Inches39
Depth - Inches27
Weight - Detail1440 lbs. (653 kg)
Weight - Detail1,915 lbs. (868 kg)
Weight - kg653.17
Weight - kg868.63
Weight - lbs.144
Weight - lbs.1915
Width [transom] - Detail93 in. (2.36 m)
Width [transom] - Detail96 in. (2.44 m)
Height [transom]20 in. (.51 m)
Height [transom]25 in. (0.64 m)
Length - Meters5.66
Length - Metersnot available
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. (6.2 m)
Length overall - Meters5.66
Length overall - Meters6.3
Length overall - Inches223
Length overall - Inches248
Body / Hull
Hull thicknessBottom: .098 in. (2.5 mm) Sides: .80 in. (2.0 mm) 2XB Bow?2nd plate: .098 in. 2XB Bottom?2nd plate: .080 in
Hull thickness0.100 in. (2.5 mm) bottom 0.080 in. (2 mm) side
Hull materialnot available
Hull materialAluminum
Hull typenot available
Hull typeDeep Vee
Engine and Drivetrain
Fuel tank capacity - Detail40 gal. (51 l)
Fuel tank capacity - Detail45 gal. (170 l)
Fuel tank capacity - Liters151.42
Fuel tank capacity - Liters170.34
Fuel tank capacity - Gal4
Fuel tank capacity - Gal45
Engine max150 hp (111 kw)
Engine max250 hp (186 kW)
Fuel typenot available
Fuel typeGas
Drive typenot available
Drive typeOutboard
Operational Info
Maximum people6
Maximum people9
Storagenot available
StorageBow Livewell: 13 gal. (49 l) Aft Livewell: 21 gal. (79 l)
Maximum capacitynot available
Maximum capacity2,350 lbs. (1,066 kg)