Alumacraft Invader 175 2005 boat specs
Alumacraft
Alumacraft Invader 175 2005
2005
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Alumacraft V-Bow 1860 AW  Special Tunnel 2007 boat specs
Alumacraft
Alumacraft V-Bow 1860 AW Special Tunnel 2007
2007
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Alumacraft Invader 175 2005 vs Alumacraft V-Bow 1860 AW Special Tunnel 2007 — Same Brand, Different Boat

The Alumacraft Invader 175 2005 vs Alumacraft V-Bow 1860 AW Special Tunnel 2007 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 Invader 175 2005 at 17,0 ft versus Alumacraft V-Bow 1860 AW Special Tunnel 2007 at 18,0 ft. At 12 lbs and 105 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.

Both boats share a closely matched power ceiling — 115 hp for the Alumacraft Invader 175 2005 and 115 hp for the Alumacraft V-Bow 1860 AW Special Tunnel 2007. Real-world performance will come down more to which motor is actually bolted on, its load at the time, and whether it's a 4-stroke or 2-stroke setup. Fuel capacity breaks the other way: the Alumacraft Invader 175 2005 carries 25 gallons versus 16 gallons in the Alumacraft V-Bow 1860 AW Special Tunnel 2007. 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 V-Bow 1860 AW Special Tunnel 2007 is rated for 6 passengers, while the Alumacraft Invader 175 2005 caps at 4. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Alumacraft V-Bow 1860 AW Special Tunnel 2007 could be the deciding factor.

At this size, power-to-weight ratio matters more than outright horsepower. The Alumacraft Invader 175 2005 comes in at 0 lbs per hp versus 1 lbs per hp for the Alumacraft V-Bow 1860 AW Special Tunnel 2007. The lower the ratio the more explosive the acceleration — meaningful on a short RIB where bursts of speed, quick planing, and agility in surf or tight waterways define the experience.

Bottom line: Choose the Alumacraft V-Bow 1860 AW Special Tunnel 2007 if your priority is putting more people on the water — it handles 6 passengers and at 18,0 ft it has the deck room to back that rating up comfortably. The Alumacraft Invader 175 2005 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 175
ModelV-Bow 1860 AW Special Tunnel
Model Year2005
Model Year2007
Measurements / Dimensions
Beam88 in. (2.23 m) Bottom: 64 in. (1.63 m)
Beam86 in
Beam - Meters2.24
Beam - Meters2.18
Beam - Inches88
Beam - Inches86
Weight - Detail1,200 lbs. (544 kg)
Weight - Detail1,050 lbs
Weight - kg544.31
Weight - kg476.27
Weight - lbs.12
Weight - lbs.105
Width [transom] - Detail88 in. (2.23 m)
Width [transom] - Detail60 in
Height - Detail23 in. (0.58 m)
Height - Detail25 in
Height - Meters0.58
Height - Meters0.64
Height - Inches23
Height - Inches25
Height [transom]22 in. (0.6 m)
Height [transom]21 in
Length - Meters5.31
Length - Metersnot available
Length - Feet17
Length - Feet18
Length - Inches5
Length - Inchesnot available
Length overall - Detail17 ft. 5 in (5.31 m)
Length overall - Detail18 ft. 0 in
Length overall - Meters5.18
Length overall - Meters5.49
Length overall - Inches204
Length overall - Inches216
Body / Hull
Hull materialAluminum
Hull materialAluminum
Hull thicknessBottom/sides: .102 in. (2.5 mm)
Hull thickness0.102 in
Hull typenot available
Hull typeModified Vee
Engine and Drivetrain
Fuel tank capacity - Detail25 gal. (91 l)
Fuel tank capacity - Detail16 gal
Fuel tank capacity - Liters94.64
Fuel tank capacity - Liters60.57
Fuel tank capacity - Gal25
Fuel tank capacity - Gal16
Engine max115 hp (85 kw)
Engine max115 hp
Fuel typenot available
Fuel typeGas
Drive typenot available
Drive typeOutboard
Operational Info
Maximum people4
Maximum people6
Maximum capacitynot available
Maximum capacity1,200 lbs

Alumacraft Invader 175 2005 vs Alumacraft V-Bow 1860 AW Special Tunnel 2007 — Common Questions

Which is the larger boat — the Alumacraft Invader 175 2005 or the Alumacraft V-Bow 1860 AW Special Tunnel 2007?
The Alumacraft V-Bow 1860 AW Special Tunnel 2007 is the longer of the two at 18,0 feet overall. The Alumacraft Invader 175 2005 comes in at 17,0 feet, making it roughly 1,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Alumacraft Invader 175 2005 or the Alumacraft V-Bow 1860 AW Special Tunnel 2007?
For trailering, the Alumacraft Invader 175 2005 has the edge at 12 lbs dry weight versus 105 lbs for the Alumacraft V-Bow 1860 AW Special Tunnel 2007. Add a motor (typically 300–500 lbs for an outboard in this class), gear, and a partial fuel load and the difference grows. Lighter is friendlier on smaller tow vehicles and on fuel economy while hauling.
How many people can each boat hold?
The Alumacraft Invader 175 2005 is Coast Guard rated for 4 passengers, while the Alumacraft V-Bow 1860 AW Special Tunnel 2007 is certified for 6. Note that legal capacity and comfortable capacity aren't always the same thing — on a full day out, most experienced boaters aim for about 80% of the rated number to keep things comfortable.
Which boat has the better power-to-weight ratio?
The Alumacraft Invader 175 2005 has a better power-to-weight ratio at 0 lbs per hp compared to 1 lbs per hp for the Alumacraft V-Bow 1860 AW Special Tunnel 2007. A lower number means quicker acceleration and faster time to plane — the number that actually matters most on short, sporty boats like these.
Which boat is wider, and does it affect trailering?
The Alumacraft Invader 175 2005 measures 88" wide, compared to 86" for the Alumacraft V-Bow 1860 AW Special Tunnel 2007. The US standard-width towing limit is 8’6" (102") in most states — anything over that may need a wide-load permit. Confirm your specific route requirements with each state's DOT.
Which boat has the larger fuel tank — the Alumacraft Invader 175 2005 or the Alumacraft V-Bow 1860 AW Special Tunnel 2007?
The Alumacraft Invader 175 2005 has the bigger tank at 25 gallons, versus 16 gallons on the Alumacraft V-Bow 1860 AW Special Tunnel 2007. That 9-gallon difference translates to roughly 27–45 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Alumacraft Invader 175 2005 and Alumacraft V-Bow 1860 AW Special Tunnel 2007 from the same manufacturer?
Yes — both the Alumacraft Invader 175 2005 and the Alumacraft V-Bow 1860 AW Special Tunnel 2007 are built by Alumacraft. That means shared dealer networks, common parts availability, and consistent build quality across the line. The choice between them is essentially a question of how much boat you need, not which brand you trust.