Sylvan Alaskan 12 TLS 2007 boat specs
Sylvan
Sylvan Alaskan 12 TLS 2007
2007
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VS
Sylvan Viper 180 2008 boat specs
Sylvan
Sylvan Viper 180 2008
2008
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Sylvan Alaskan 12 TLS 2007 vs Sylvan Viper 180 2008 — Same Brand, Different Boat

Matching a modified vee Sylvan Alaskan 12 TLS 2007 against a deep vee Sylvan Viper 180 2008 means you're likely deciding between two genuinely different on-water experiences. Hull type shapes everything from ride quality and fuel burn to dock handling and resale trajectory.

The Sylvan Viper 180 2008 tops out at 175 hp. Engine specs for the Sylvan Alaskan 12 TLS 2007 aren't listed — confirm with a dealer before selecting an outboard.

Bottom line: The Sylvan Alaskan 12 TLS 2007 and Sylvan Viper 180 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
ModelAlaskan 12 TLS
ModelViper 18
Model Year2007
Model Year2008
Body / Hull
Hull materialAluminum
Hull materialFiberglass
Hull typeModified Vee
Hull typeDeep Vee
Engine and Drivetrain
Max no of engines1
Max no of engines1
Fuel typeGas
Fuel typeGas
Drive typeOutboard
Drive typeOutboard
Fuel tank capacity - Detailnot available
Fuel tank capacity - Detail39 gal
Fuel tank capacity - Litersnot available
Fuel tank capacity - Liters147.63
Fuel tank capacity - Galnot available
Fuel tank capacity - Gal39
Engine maxnot available
Engine max175 hp
Measurements / Dimensions
Beamnot available
Beam96 in
Beam - Metersnot available
Beam - Meters2.44
Beam - Inchesnot available
Beam - Inches96
Weight - Detailnot available
Weight - Detail1,763 lbs
Weight - kgnot available
Weight - kg799.68
Weight - lbs.not available
Weight - lbs.1763
Length - Feetnot available
Length - Feet18
Length overall - Detailnot available
Length overall - Detail18 ft. 0 in
Length overall - Metersnot available
Length overall - Meters5.49
Length overall - Inchesnot available
Length overall - Inches216
Operational Info
Maximum capacitynot available
Maximum capacity1,950 lbs
Maximum peoplenot available
Maximum people6

Sylvan Alaskan 12 TLS 2007 vs Sylvan Viper 180 2008 — Common Questions

What is the maximum horsepower rating for these boats?
The Sylvan Viper 180 2008 has a documented max rating of 175 hp. Engine specifications for the Sylvan Alaskan 12 TLS 2007 were not available in our database — check the OEM spec sheet or manufacturer's website for confirmation.
How many passengers can the Sylvan Viper 180 2008 carry?
The Sylvan Viper 180 2008 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 Alaskan 12 TLS 2007 and Sylvan Viper 180 2008 from the same manufacturer?
Yes — both the Sylvan Alaskan 12 TLS 2007 and the Sylvan Viper 180 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.