Detailed Evaluation & Buyer Recommendation
Alumaweld Free Drifter 2011 vs Alumaweld Intruder Sportjet 18 2008 — A Close Look at Two Modified Vees
When two boats share the same hull type — in this case both the Alumaweld Free Drifter 2011 and the Alumaweld Intruder Sportjet 18 2008 are modified vee designs with aluminum construction — the buying decision usually comes down to a handful of practical questions: how many people are you putting on the water, how far do you trailer, and what does your tow vehicle weigh?
On paper these two are close siblings in the size department — Alumaweld Free Drifter 2011 at 18,3 ft versus Alumaweld Intruder Sportjet 18 2008 at 18,0 ft. At 96 lbs and 152 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 Alumaweld Intruder Sportjet 18 2008 has a 60-hp advantage over the Alumaweld Free Drifter 2011's 115-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Alumaweld Intruder Sportjet 18 2008 carries 47 gallons versus 37 gallons in the Alumaweld Free Drifter 2011. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.
Both boats are rated for 5 passengers — a good fit for a family of four or five plus guests. Comfort at capacity is another matter; the longer hull typically means more seat options and better weight distribution.
Bottom line: Performance buyers should lean toward the Alumaweld Intruder Sportjet 18 2008 and its 175-hp ceiling. If fuel economy and quieter running matter more than top-end speed, the Alumaweld Free Drifter 2011 with its 115-hp rating is the more economical daily driver.
General Boat Info
MakeAlumaweld
MakeAlumaweld
ModelFree Drifter
ModelIntruder Sportjet 18
Model Year2011
Model Year2008
Measurements / Dimensions
Beam85.5 in. At Chine: 66 in
Beam93 in. At Chine: 72 in
Beam - Meters2.18
Beam - Meters2.36
Beam - Inches85.5
Beam - Inches93
Deadrise6℃ with shoe
Deadrise14℃
Depth - Detail24 in
Depth - Detail25 in
Depth - Centimeters60.96
Depth - Centimeters63.5
Depth - Inches24
Depth - Inches25
Weight - Detail960 lbs
Weight - Detail1,520 lbs
Weight - kg435.45
Weight - kg689.46
Weight - lbs.96
Weight - lbs.152
Height - DetailSide: 29 in
Height - DetailSide: 30 in
Height - Meters0.74
Height - Meters0.76
Height - Inches29
Height - Inches3
Height [transom]25 in
Height [transom]not available
Length - Feet18.25
Length - Feet18
Length overall - Detail18 ft. 3 in
Length overall - Detail18 ft. 2 in
Length overall - Meters5.56
Length overall - Meters5.54
Length overall - Inches219
Length overall - Inches218
Length - Inchesnot available
Length - Inches2
Body / Hull
Hull materialAluminum
Hull materialAluminum
Hull thicknessBottom: 0.160 in. Side: 0.100 in. Transome: 0.125 in
Hull thicknessBottom: 0.190 in. Side: 0.125 in
Hull typeModified Vee
Hull typeModified Vee
Engine and Drivetrain
Fuel tank capacity - Detail37 gal
Fuel tank capacity - Detail47 gal
Fuel tank capacity - Liters140.06
Fuel tank capacity - Liters177.91
Fuel tank capacity - Gal37
Fuel tank capacity - Gal47
Drive typeOutboard
Drive typeJet Drive
Engine maxProp / Jet (Remote): 115 hp / 80 hp Prop / Jet (Tiller): 75 hp / 80 hp
Engine max175 hp
Operational Info
Maximum capacity1,200 lbs
Maximum capacity1,200 lbs
Maximum people5 / 750 lbs
Maximum people5 @ 750 lbs