Detailed Evaluation & Buyer Recommendation
Alumacraft Navigator Classic 165 CS 2005 vs Alumacraft Trophy 185 2011 — Same Brand, Different Boat
The Alumacraft Navigator Classic 165 CS 2005 vs Alumacraft Trophy 185 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.
On paper these two are close siblings in the size department — Alumacraft Navigator Classic 165 CS 2005 at 16,0 ft versus Alumacraft Trophy 185 2011 at 18,7 ft. At 88 lbs and 178 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 Trophy 185 2011 has a 100-hp advantage over the Alumacraft Navigator Classic 165 CS 2005's 75-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 185 2011 carries 38 gallons versus 22 gallons in the Alumacraft Navigator Classic 165 CS 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 185 2011 is rated for 8 passengers, while the Alumacraft Navigator Classic 165 CS 2005 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Alumacraft Trophy 185 2011 could be the deciding factor.
Bottom line: Choose the Alumacraft Trophy 185 2011 if your priority is putting more people on the water — it handles 8 passengers and at 18,7 ft it has the deck room to back that rating up comfortably. The Alumacraft Navigator Classic 165 CS 2005 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 5 that costs less to run day-to-day.
General Boat Info
MakeAlumacraft
MakeAlumacraft
ModelNavigator Classic 165 CS
ModelTrophy 185
Model Year2005
Model Year2011
Measurements / Dimensions
Beam82 in. (2.08 m)
Beam94 in. (2.4 m)
Beam - Meters2.08
Beam - Meters2.39
Beam - Inches82
Beam - Inches94
Depth - Detail36 in. (.99 m) Maximum to floor: 21 in. (.53 m)
Depth - Detailnot available
Depth - Centimeters91.44
Depth - Centimetersnot available
Depth - Inches36
Depth - Inchesnot available
Weight - Detail880 lbs. (339 kg)
Weight - Detail1,780 lbs. (807 kg)
Weight - kg399.16
Weight - kg807.39
Weight - lbs.88
Weight - lbs.178
Width [transom] - Detail82 in. (2.08 m)
Width [transom] - Detail96 in. (2.45 m)
Height [transom]20 in. (.51 m)
Height [transom]25 in. (0.64 m)
Length - Meters5
Length - Metersnot available
Length - Feet16
Length - Feet18.67
Length - Inches5
Length - Inchesnot available
Length overall - Detail16 ft. 5 in. (5.00 m)
Length overall - Detail18 ft. 8 in. (5.6 m)
Length overall - Meters5
Length overall - Meters5.69
Length overall - Inches197
Length overall - Inches224
Draft [max] - Detailnot available
Draft [max] - Detail47 in. (1.2 m) To Floor: 27 in. (0.69 m)
Draft [max] - Metersnot available
Draft [max] - Meters1.19
Draft [max] - Inchesnot available
Draft [max] - Inches47
Body / Hull
Hull thicknessBottom: .080 in. (2.0 mm) Sides: .067 in. (1.7 mm) 2XB Bow?2nd plate: .080 in
Hull thicknessBottom: 0.100 in. (2.5 mm) Sides: 0.080 in. (2 mm)
Hull materialnot available
Hull materialAluminum
Hull typenot available
Hull typeDeep Vee
Engine and Drivetrain
Fuel tank capacity - Detail22 gal. (83 l)
Fuel tank capacity - Detail38 gal. (144 l)
Fuel tank capacity - Liters83.28
Fuel tank capacity - Liters143.85
Fuel tank capacity - Gal22
Fuel tank capacity - Gal38
Engine max75 hp (56 kw)
Engine max175 hp (130 kW)
Fuel typenot available
Fuel typeGas
Drive typenot available
Drive typeOutboard
Operational Info
Maximum people5
Maximum people8
Storagenot available
StorageBow Livewell: 22 gal. (83.3 l) Aft Livewell: 21 gal. (71 l)
Maximum capacitynot available
Maximum capacity1,760 lbs. (798 kg)