Sylvan 1800 Avenger SC  2005 boat specs
Sylvan
Sylvan 1800 Avenger SC 2005
2005
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VS
Sylvan Alaskan 12 TLS 2008 boat specs
Sylvan
Sylvan Alaskan 12 TLS 2008
2008
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Sylvan 1800 Avenger SC 2005 vs Sylvan Alaskan 12 TLS 2008 — Same Brand, Different Boat

The Sylvan 1800 Avenger SC 2005 vs Sylvan Alaskan 12 TLS 2008 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.

The Sylvan 1800 Avenger SC 2005 carries a rated maximum of 135 hp. Engine data for the Sylvan Alaskan 12 TLS 2008 wasn't available in our records — check the manufacturer's spec sheet before sizing a motor.

The Sylvan 1800 Avenger SC 2005 is rated for up to 6 people. Passenger data for the Sylvan Alaskan 12 TLS 2008 wasn't available.

Bottom line: The Sylvan 1800 Avenger SC 2005 and Sylvan Alaskan 12 TLS 2008 are closely matched on the specs that matter most. Test-ride both on the water you actually use, check current dealer pricing, and factor in long-term service access before you sign.
General Boat Info
MakeSylvan
MakeSylvan
Model1800 Avenger SC
ModelAlaskan 12 TLS
Model Year2005
Model Year2008
Measurements / Dimensions
Beam91 in
Beamnot available
Beam - Meters2.31
Beam - Metersnot available
Beam - Inches91
Beam - Inchesnot available
Depth - Detail23 in
Depth - Detailnot available
Depth - Centimeters58.42
Depth - Centimetersnot available
Depth - Inches23
Depth - Inchesnot available
Weight - Detail1,270 lbs
Weight - Detailnot available
Weight - kg576.06
Weight - kgnot available
Weight - lbs.127
Weight - lbs.not available
Width [transom] - Detail90 in
Width [transom] - Detailnot available
Height - Detail31 in
Height - Detailnot available
Height - Meters0.79
Height - Metersnot available
Height - Inches31
Height - Inchesnot available
Height [transom]LS
Height [transom]not available
Length - Feet18
Length - Feetnot available
Length - Inches6
Length - Inchesnot available
Length overall - Detail18 ft. 6 in
Length overall - Detailnot available
Length overall - Meters5.64
Length overall - Metersnot available
Length overall - Inches222
Length overall - Inchesnot available
Body / Hull
Hull thicknessBottom: 0.1 Side: 0.086 Rib: 0.1
Hull thicknessnot available
Hull materialnot available
Hull materialAluminum
Hull typenot available
Hull typeModified Vee
Engine and Drivetrain
Fuel tank capacity - Detail31 gal
Fuel tank capacity - Detailnot available
Fuel tank capacity - Liters117.35
Fuel tank capacity - Litersnot available
Fuel tank capacity - Gal31
Fuel tank capacity - Galnot available
Drive typeOutboard
Drive typeOutboard
Engine max135 hp
Engine maxnot available
Max no of enginesnot available
Max no of engines1
Fuel typenot available
Fuel typeGas
Operational Info
Maximum capacity1,450 lbs
Maximum capacitynot available
Maximum people6
Maximum peoplenot available

Sylvan 1800 Avenger SC 2005 vs Sylvan Alaskan 12 TLS 2008 — Common Questions

What is the maximum horsepower rating for these boats?
The Sylvan 1800 Avenger SC 2005 has a documented max rating of 135 hp. Engine specifications for the Sylvan Alaskan 12 TLS 2008 were not available in our database — check the OEM spec sheet or manufacturer's website for confirmation.
How many passengers can the Sylvan 1800 Avenger SC 2005 carry?
The Sylvan 1800 Avenger SC 2005 has an official capacity rating of 6 people. Capacity data wasn't available for the other model in this comparison — verify directly with the dealer.
Are the Sylvan 1800 Avenger SC 2005 and Sylvan Alaskan 12 TLS 2008 from the same manufacturer?
Yes — both the Sylvan 1800 Avenger SC 2005 and the Sylvan Alaskan 12 TLS 2008 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.