Larson SEi 180 Ski  Fish I/O 2008 boat specs
Larson
Larson SEi 180 Ski Fish I/O 2008
2008
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VS
Larson Senza 206 2005 boat specs
Larson
Larson Senza 206 2005
2005
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Larson SEi 180 Ski Fish I/O 2008 vs Larson Senza 206 2005 — Same Brand, Different Boat

The Larson SEi 180 Ski Fish I/O 2008 vs Larson Senza 206 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.

The Larson SEi 180 Ski Fish I/O 2008 carries a rated maximum of 225 hp. Engine data for the Larson Senza 206 2005 wasn't available in our records — check the manufacturer's spec sheet before sizing a motor.Fuel capacity breaks the other way: the Larson Senza 206 2005 carries 35 gallons versus 23 gallons in the Larson SEi 180 Ski Fish I/O 2008. 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 Larson Senza 206 2005 is rated for 10 passengers, while the Larson SEi 180 Ski Fish I/O 2008 caps at 6. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Larson Senza 206 2005 could be the deciding factor.

Bottom line: Choose the Larson Senza 206 2005 if your priority is putting more people on the water — it handles 10 passengers and at 0,0 ft it has the deck room to back that rating up comfortably. The Larson SEi 180 Ski Fish I/O 2008 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 6 that costs less to run day-to-day.
General Boat Info
MakeLarson
MakeLarson
ModelSEi 180 Ski Fish I/O
ModelSenza 206
Model Year2008
Model Year2005
Measurements / Dimensions
Beam7 ft. 9 in. (2.36 m)
Beam8 ft. 3 in
Beam - Meters2.36
Beam - Meters2.51
Beam - Inches93
Beam - Inches99
Deadrise21℃
Deadrise21℃
Draft [max] - Detail31 in. (78.7 cm)
Draft [max] - Detail33 in
Draft [max] - Meters0.79
Draft [max] - Meters0.84
Draft [max] - Inches31
Draft [max] - Inches33
Weight - Detail2,650 lbs. (1,202 kg)
Weight - Detail3,150 lbs
Weight - kg1202.02
Weight - kg1428.81
Weight - lbs.265
Weight - lbs.315
Length - Meters5.33
Length - Metersnot available
Length - Feet17
Length - Feetnot available
Length - Inches6
Length - Inchesnot available
Length overall - Detail17 ft. 6 in. (5.33 m)
Length overall - Detail20 ft. 6 in
Length overall - Meters5.33
Length overall - Meters6.25
Length overall - Inches21
Length overall - Inches246
Body / Hull
Hull materialFiberglass
Hull materialFiberglass
Hull typeModified Vee
Hull typenot available
Engine and Drivetrain
Fuel tank capacity - Detail23 gal. (87 l)
Fuel tank capacity - Detail35 gal
Fuel tank capacity - Liters87.06
Fuel tank capacity - Liters132.49
Fuel tank capacity - Gal23
Fuel tank capacity - Gal35
Fuel typeGas
Fuel typenot available
Drive typeI/O
Drive typenot available
Engine max225 hp
Engine maxnot available
Operational Info
Maximum capacity1,100 lbs. (499 kg)
Maximum capacity1,500 lbs
Maximum people6
Maximum people10 Persons

Larson SEi 180 Ski Fish I/O 2008 vs Larson Senza 206 2005 — Common Questions

Which is easier to trailer — the Larson SEi 180 Ski Fish I/O 2008 or the Larson Senza 206 2005?
For trailering, the Larson SEi 180 Ski Fish I/O 2008 has the edge at 265 lbs dry weight versus 315 lbs for the Larson Senza 206 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.
What is the maximum horsepower rating for these boats?
The Larson SEi 180 Ski Fish I/O 2008 has a documented max rating of 225 hp. Engine specifications for the Larson Senza 206 2005 were not available in our database — check the OEM spec sheet or manufacturer's website for confirmation.
How many people can each boat hold?
The Larson SEi 180 Ski Fish I/O 2008 is Coast Guard rated for 6 passengers, while the Larson Senza 206 2005 is certified for 10. 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 Larson Senza 206 2005 measures 99" wide, compared to 93" for the Larson SEi 180 Ski Fish I/O 2008. 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 Larson SEi 180 Ski Fish I/O 2008 or the Larson Senza 206 2005?
The Larson Senza 206 2005 has the bigger tank at 35 gallons, versus 23 gallons on the Larson SEi 180 Ski Fish I/O 2008. That 12-gallon difference translates to roughly 36–60 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Larson SEi 180 Ski Fish I/O 2008 and Larson Senza 206 2005 from the same manufacturer?
Yes — both the Larson SEi 180 Ski Fish I/O 2008 and the Larson Senza 206 2005 are built by Larson. 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.