Sylvan Alaskan 12  2006 boat specs
Sylvan
Sylvan Alaskan 12 2006
2006
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Sylvan Mirage 8520 F 2009 boat specs
Sylvan
Sylvan Mirage 8520 F 2009
2009
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Sylvan Alaskan 12 2006 vs Sylvan Mirage 8520 F 2009 — Same Brand, Different Boat

The Sylvan Alaskan 12 2006 vs Sylvan Mirage 8520 F 2009 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.

Size is the most obvious dividing line here. The Sylvan Alaskan 12 2006 measures 11,0 feet overall (2006), giving it roughly 9,0 additional feet of deck space compared to the Sylvan Mirage 8520 F 2009 at 2,0 feet (2009). Weight tells a clearer story for trailering families: the Sylvan Mirage 8520 F 2009 tips the scales at 1 775 lbs — 1 590 lbs less than the Sylvan Alaskan 12 2006 at 185 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 135 hp, the Sylvan Mirage 8520 F 2009 has a 120-hp advantage over the Sylvan Alaskan 12 2006's 15-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 Sylvan Mirage 8520 F 2009 is rated for 12 passengers, while the Sylvan Alaskan 12 2006 caps at 3. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Sylvan Mirage 8520 F 2009 could be the deciding factor.

At this size, power-to-weight ratio matters more than outright horsepower. The Sylvan Alaskan 12 2006 comes in at 12 lbs per hp versus 13 lbs per hp for the Sylvan Mirage 8520 F 2009. 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 Sylvan Mirage 8520 F 2009 if your priority is putting more people on the water — it handles 12 passengers and at 2,0 ft it has the deck room to back that rating up comfortably. The Sylvan Alaskan 12 2006 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 3 that costs less to run day-to-day.
General Boat Info
MakeSylvan
MakeSylvan
ModelAlaskan 12
ModelMirage 8520 F
Model Year2006
Model Year2009
Measurements / Dimensions
Beam63 in
Beam102 in
Beam - Meters1.6
Beam - Meters2.59
Beam - Inches63
Beam - Inches102
Depth - Detail19 in
Depth - Detailnot available
Depth - Centimeters48.26
Depth - Centimetersnot available
Depth - Inches19
Depth - Inchesnot available
Weight - Detail185 lbs
Weight - Detail1,775 lbs
Weight - kg83.91
Weight - kg805.13
Weight - lbs.185
Weight - lbs.1775
Width [transom] - Detail56 in
Width [transom] - Detailnot available
Height - Detail24 in
Height - Detailnot available
Height - Meters0.61
Height - Metersnot available
Height - Inches24
Height - Inchesnot available
Length - Feet11
Length - Feet2
Length - Inches1
Length - Inches3
Length overall - Detail11 ft. 10 in
Length overall - Detail20 ft. 3 in
Length overall - Meters3.61
Length overall - Meters6.17
Length overall - Inches142
Length overall - Inches243
Body / Hull
Hull thicknessBottom: 0.064 Side: 0.060 Rib: 0.064
Hull thicknessnot available
Hull materialnot available
Hull materialAluminum
Hull typenot available
Hull typePontoon
Engine and Drivetrain
Fuel typeGas
Fuel typeGas
Drive typeOutboard
Drive typeOutboard
Engine max15 hp
Engine maxTri Toon (Max): 135 hp
Max no of enginesnot available
Max no of engines1
Fuel tank capacity - Detailnot available
Fuel tank capacity - Detail24 gal
Fuel tank capacity - Litersnot available
Fuel tank capacity - Liters90.85
Fuel tank capacity - Galnot available
Fuel tank capacity - Gal24
Operational Info
Maximum capacity700 lbs
Maximum capacity2,000 lbs
Maximum people3
Maximum people12
Pontoon and Inflatable Specific
Tube diameternot available
Tube diameter25 in
Tube gaugenot available
Tube gauge0.080 in
Number of tubesnot available
Number of tubes2

Sylvan Alaskan 12 2006 vs Sylvan Mirage 8520 F 2009 — Common Questions

Which is the larger boat — the Sylvan Alaskan 12 2006 or the Sylvan Mirage 8520 F 2009?
The Sylvan Alaskan 12 2006 is the longer of the two at 11,0 feet overall. The Sylvan Mirage 8520 F 2009 comes in at 2,0 feet, making it roughly 9,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Sylvan Alaskan 12 2006 or the Sylvan Mirage 8520 F 2009?
For trailering, the Sylvan Alaskan 12 2006 has the edge at 185 lbs dry weight versus 1 775 lbs for the Sylvan Mirage 8520 F 2009. 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 Mirage 8520 F 2009 is rated to a maximum of 135 hp, giving it the larger power ceiling. The Sylvan Alaskan 12 2006 tops out at 15 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 Alaskan 12 2006 is Coast Guard rated for 3 passengers, while the Sylvan Mirage 8520 F 2009 is certified for 12. 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 Sylvan Alaskan 12 2006 has a better power-to-weight ratio at 12 lbs per hp compared to 13 lbs per hp for the Sylvan Mirage 8520 F 2009. 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 Sylvan Mirage 8520 F 2009 measures 102" wide, compared to 63" for the Sylvan Alaskan 12 2006. 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.
Are the Sylvan Alaskan 12 2006 and Sylvan Mirage 8520 F 2009 from the same manufacturer?
Yes — both the Sylvan Alaskan 12 2006 and the Sylvan Mirage 8520 F 2009 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.