Detailed Evaluation & Buyer Recommendation
Alumacraft Invader 185 2003 vs Alumacraft Trophy 205 2011 — Same Brand, Different Boat
The Alumacraft Invader 185 2003 vs Alumacraft Trophy 205 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.
The power gap is worth calling out. Rated to 225 hp, the Alumacraft Trophy 205 2011 has a 75-hp advantage over the Alumacraft Invader 185 2003'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 Invader 185 2003 carries 42 gallons versus 5 gallons in the Alumacraft Trophy 205 2011. 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 2011 is rated for 9 passengers, while the Alumacraft Invader 185 2003 caps at 4. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Alumacraft Trophy 205 2011 could be the deciding factor.
Bottom line: Choose the Alumacraft Trophy 205 2011 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 Invader 185 2003 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
ModelInvader 185
ModelTrophy 205
Model Year2003
Model Year2011
Measurements / Dimensions
BeamBeam: 92 in. Bottom: 67 in
Beam98 in. (2.4 m)
Beam - Meters2.34
Beam - Meters2.49
Beam - Inches92
Beam - Inches98
Draft [drive up] - Detailn/a
Draft [drive up] - Detailnot available
Weight - Detail1300 lbs
Weight - Detail1,915 lbs. (868 kg)
Weight - kg589.67
Weight - kg868.63
Weight - lbs.13
Weight - lbs.1915
Height - Detail23 in
Height - Detailnot available
Height - Meters0.58
Height - Metersnot available
Height - Inches23
Height - Inchesnot available
Height [transom]22 in. Width: 92 in
Height [transom]25 in. (0.64 m)
Length overall - Detail18 ft. 4 in
Length overall - Detail20 ft. 8 in. (6.2 m)
Length overall - Meters5.59
Length overall - Meters6.3
Length overall - Inches22
Length overall - Inches248
Draft [max] - Detailnot available
Draft [max] - Detail47 in. (1.2 m) 27 in. (0.69 m)
Draft [max] - Metersnot available
Draft [max] - Meters1.19
Draft [max] - Inchesnot available
Draft [max] - Inches47
Width [transom] - Detailnot available
Width [transom] - Detail96 in. (2.45 m)
Length - Feetnot available
Length - Feet20.67
Body / Hull
Hull materialAluminum
Hull materialAluminum
Hull thicknessnot available
Hull thicknessBottom: 0.100 in. (2.5 mm) Sides: 0.080 in. (2 mm)
Hull typenot available
Hull typeDeep Vee
Engine and Drivetrain
Fuel tank capacity - Detail42 gal
Fuel tank capacity - Detail50 gal. (189 l)
Fuel tank capacity - Liters158.99
Fuel tank capacity - Liters189.27
Fuel tank capacity - Gal42
Fuel tank capacity - Gal5
Engine max150 hp
Engine max225 hp (167 kW)
Fuel typenot available
Fuel typeGas
Drive typenot available
Drive typeOutboard
Operational Info
Water capacityn/a
Water capacitynot available
Maximum people4 persons
Maximum people9
Storagenot available
StorageBow Livewell: 22 gal. (83.3 l) Aft Livewell: 21 gal. (71 l)
Maximum capacitynot available
Maximum capacity2,350 lbs. (1,066 kg)
Trailer Info
Trailer - Detailn/a
Trailer - Detailnot available