Detailed Evaluation & Buyer Recommendation
Alumacraft Riveted Jon 1648 (15 & 20) 2011 vs Alumacraft Tournament Sport 185 2010 — Same Brand, Different Boat
Matching a flat Alumacraft Riveted Jon 1648 (15 & 20) 2011 against a deep vee Alumacraft Tournament Sport 185 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 Riveted Jon 1648 (15 & 20) 2011 at 16,0 ft versus Alumacraft Tournament Sport 185 2010 at 18,3 ft. Weight tells a clearer story for trailering families: the Alumacraft Riveted Jon 1648 (15 & 20) 2011 tips the scales at 285 lbs — 117 lbs more than the Alumacraft Tournament Sport 185 2010 at 168 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 175 hp, the Alumacraft Tournament Sport 185 2010 has a 145-hp advantage over the Alumacraft Riveted Jon 1648 (15 & 20) 2011's 30-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load.
For family outings this is probably the sharpest distinction between the two. The Alumacraft Tournament Sport 185 2010 is rated for 6 passengers, while the Alumacraft Riveted Jon 1648 (15 & 20) 2011 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Alumacraft Tournament Sport 185 2010 could be the deciding factor.
Bottom line: Choose the Alumacraft Tournament Sport 185 2010 if your priority is putting more people on the water — it handles 6 passengers and at 18,3 ft it has the deck room to back that rating up comfortably. The Alumacraft Riveted Jon 1648 (15 & 20) 2011 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
ModelRiveted Jon 1648 (15 & 20)
ModelTournament Sport 185
Model Year2011
Model Year201
Measurements / Dimensions
Beam70 in
Beam97 in. (2.46 m)
Beam - Meters1.78
Beam - Meters2.46
Beam - Inches7
Beam - Inches97
Weight - Detail285 lbs
Weight - Detail1,680 lbs. (762 kg)
Weight - kg129.27
Weight - kg762.03
Weight - lbs.285
Weight - lbs.168
Height - Detail21 in
Height - Detailnot available
Height - Meters0.53
Height - Metersnot available
Height - Inches21
Height - Inchesnot available
Height [transom]15 / 20 in
Height [transom]25 in. (0.63 m)
Length - Feet16
Length - Feet18.25
Length overall - Detail16 ft. 0 in
Length overall - Detail18 ft. 3 in. (5.5 m)
Length overall - Meters4.88
Length overall - Meters5.56
Length overall - Inches192
Length overall - Inches219
Depth - Detailnot available
Depth - DetailMaximum: 43 in. (1.1 m) To Floor: 22 in. (0.56 m)
Depth - Centimetersnot available
Depth - Centimeters109.22
Depth - Inchesnot available
Depth - Inches43
Width [transom] - Detailnot available
Width [transom] - Detail96 in. (2.4 m)
Length - Metersnot available
Length - Meters5.5
Body / Hull
Hull materialAluminum
Hull materialAluminum
Hull thickness0.070 in
Hull thicknessBottom: 0.100 in. (2.5 mm)
Hull typeFlat
Hull typeDeep Vee
Engine and Drivetrain
Drive typeOutboard
Drive typeOutboard
Engine max30 hp
Engine max175 hp (130 kW)
Fuel tank capacity - Detailnot available
Fuel tank capacity - Detail38 gal. (144 l)
Fuel tank capacity - Litersnot available
Fuel tank capacity - Liters143.85
Fuel tank capacity - Galnot available
Fuel tank capacity - Gal38
Operational Info
Maximum capacity1,010 lbs
Maximum capacity1,600 lbs. (726 kg)
Maximum people5
Maximum people6