Sylvan Mirage Fish 818 2012 boat specs
Sylvan
Sylvan Mirage Fish 818 2012
2012
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VS
Sylvan V180 I/O 2005 boat specs
Sylvan
Sylvan V180 I/O 2005
2005
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Sylvan Mirage Fish 818 2012 vs Sylvan V180 I/O 2005 — Same Brand, Different Boat

The Sylvan Mirage Fish 818 2012 vs Sylvan V180 I/O 2005 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 — Sylvan Mirage Fish 818 2012 at 18,8 ft versus Sylvan V180 I/O 2005 at 18,0 ft. Weight tells a clearer story for trailering families: the Sylvan V180 I/O 2005 tips the scales at 1 725 lbs — 1 570 lbs less than the Sylvan Mirage Fish 818 2012 at 155 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 220 hp, the Sylvan V180 I/O 2005 has a 170-hp advantage over the Sylvan Mirage Fish 818 2012's 50-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Sylvan Mirage Fish 818 2012 carries 24 gallons versus 3 gallons in the Sylvan V180 I/O 2005. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

Both boats are rated for 8 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 Sylvan V180 I/O 2005 and its 220-hp ceiling. If fuel economy and quieter running matter more than top-end speed, the Sylvan Mirage Fish 818 2012 with its 50-hp rating is the more economical daily driver.
General Boat Info
MakeSylvan
MakeSylvan
ModelMirage Fish 818
ModelV180 I/O
Model Year2012
Model Year2005
Measurements / Dimensions
Beam96 in
Beam92 in
Beam - Meters2.44
Beam - Meters2.34
Beam - Inches96
Beam - Inches92
Weight - Detail1,550 lbs
Weight - Detail1725 lbs
Weight - kg703.07
Weight - kg782.45
Weight - lbs.155
Weight - lbs.1725
Length - Feet18.83
Length - Feet18
Length overall - Detail18 ft. 10 in
Length overall - Detail18 ft. 1 in
Length overall - Meters5.74
Length overall - Meters5.51
Length overall - Inches226
Length overall - Inches217
Deadrisenot available
Deadrise14℃
Length - Inchesnot available
Length - Inches1
Body / Hull
Hull materialAluminum
Hull materialnot available
Hull typePontoon
Hull typenot available
Engine and Drivetrain
Engine makeMercury
Engine makenot available
Engine model25 ELPT EFI
Engine modelnot available
Fuel tank capacity - Detail24 gal
Fuel tank capacity - Detail30 gal
Fuel tank capacity - Liters90.85
Fuel tank capacity - Liters113.56
Fuel tank capacity - Gal24
Fuel tank capacity - Gal3
Fuel typeGas
Fuel typenot available
Engine max50 hp
Engine max220 hp
Drive typenot available
Drive typeI/O
Operational Info
Maximum capacity1,505 lbs
Maximum capacity1200 lbs
Maximum people8
Maximum people8

Sylvan Mirage Fish 818 2012 vs Sylvan V180 I/O 2005 — Common Questions

Which is the larger boat — the Sylvan Mirage Fish 818 2012 or the Sylvan V180 I/O 2005?
The Sylvan Mirage Fish 818 2012 is the longer of the two at 18,8 feet overall. The Sylvan V180 I/O 2005 comes in at 18,0 feet, making it roughly 0,8 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Sylvan Mirage Fish 818 2012 or the Sylvan V180 I/O 2005?
For trailering, the Sylvan Mirage Fish 818 2012 has the edge at 155 lbs dry weight versus 1 725 lbs for the Sylvan V180 I/O 2005. 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.
Which boat can handle a bigger outboard?
The Sylvan V180 I/O 2005 is rated to a maximum of 220 hp, giving it the larger power ceiling. The Sylvan Mirage Fish 818 2012 tops out at 50 hp. Keep in mind that maximum ratings are just that — matching the motor to the actual load and usage pattern usually matters more than chasing the ceiling.
How many people can each boat hold?
The Sylvan Mirage Fish 818 2012 is Coast Guard rated for 8 passengers, while the Sylvan V180 I/O 2005 is certified for 8. 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 is wider, and does it affect trailering?
The Sylvan Mirage Fish 818 2012 measures 96" wide, compared to 92" for the Sylvan V180 I/O 2005. 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 Sylvan Mirage Fish 818 2012 or the Sylvan V180 I/O 2005?
The Sylvan Mirage Fish 818 2012 has the bigger tank at 24 gallons, versus 3 gallons on the Sylvan V180 I/O 2005. That 21-gallon difference translates to roughly 63–105 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Sylvan Mirage Fish 818 2012 and Sylvan V180 I/O 2005 from the same manufacturer?
Yes — both the Sylvan Mirage Fish 818 2012 and the Sylvan V180 I/O 2005 are built by Sylvan. 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.