Larson Senza 186 2005 boat specs
Larson
Larson Senza 186 2005
2005
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VS
Larson Senza 226 I/O 2007 boat specs
Larson
Larson Senza 226 I/O 2007
2007
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Larson Senza 186 2005 vs Larson Senza 226 I/O 2007 — Same Brand, Different Boat

The Larson Senza 186 2005 vs Larson Senza 226 I/O 2007 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 Senza 226 I/O 2007 tops out at 320 hp. Engine specs for the Larson Senza 186 2005 aren't listed — confirm with a dealer before selecting an outboard.Fuel capacity breaks the other way: the Larson Senza 226 I/O 2007 carries 56 gallons versus 29 gallons in the Larson Senza 186 2005. 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 226 I/O 2007 is rated for 11 passengers, while the Larson Senza 186 2005 caps at 9. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Larson Senza 226 I/O 2007 could be the deciding factor.

Bottom line: Choose the Larson Senza 226 I/O 2007 if your priority is putting more people on the water — it handles 11 passengers and at 22,0 ft it has the deck room to back that rating up comfortably. The Larson Senza 186 2005 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 9 that costs less to run day-to-day.
General Boat Info
MakeLarson
MakeLarson
ModelSenza 186
ModelSenza? 226 I/O
Model Year2005
Model Year2007
Measurements / Dimensions
Beam7 ft. 10 in
Beam8 ft. 6 in. (2.59 m)
Beam - Meters2.39
Beam - Meters2.59
Beam - Inches94
Beam - Inches102
Deadrise21°
Deadrise21℃
Draft [max] - Detail33 in
Draft [max] - Detail36 in. (91.4 cm)
Draft [max] - Meters0.84
Draft [max] - Meters0.91
Draft [max] - Inches33
Draft [max] - Inches36
Weight - Detail2,700 lbs
Weight - Detail3,850 lbs. (1,746 kg)
Weight - kg1224.7
Weight - kg1746.33
Weight - lbs.27
Weight - lbs.385
Length overall - Detail18 ft. 6 in
Length overall - Detail22 ft. 3 in. (6.78 m)
Length overall - Meters5.64
Length overall - Meters6.78
Length overall - Inches222
Length overall - Inches267
Length - Metersnot available
Length - Meters6.78
Length - Feetnot available
Length - Feet22
Length - Inchesnot available
Length - Inches3
Body / Hull
Hull materialFiberglass
Hull materialFiberglass
Hull typenot available
Hull typeModified Vee
Engine and Drivetrain
Fuel tank capacity - Detail29 gal
Fuel tank capacity - Detail56 gal. (212 l)
Fuel tank capacity - Liters109.78
Fuel tank capacity - Liters211.98
Fuel tank capacity - Gal29
Fuel tank capacity - Gal56
Fuel typenot available
Fuel typeGas
Drive typenot available
Drive typeInboard/Outboard
Engine maxnot available
Engine max320 hp
Operational Info
Maximum capacity1,400 lbs
Maximum capacity1,800 lbs. (816 kg)
Maximum people9 Persons
Maximum people11

Larson Senza 186 2005 vs Larson Senza 226 I/O 2007 — Common Questions

Which is easier to trailer — the Larson Senza 186 2005 or the Larson Senza 226 I/O 2007?
For trailering, the Larson Senza 186 2005 has the edge at 27 lbs dry weight versus 385 lbs for the Larson Senza 226 I/O 2007. 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 Senza 226 I/O 2007 has a documented max rating of 320 hp. Engine specifications for the Larson Senza 186 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 Senza 186 2005 is Coast Guard rated for 9 passengers, while the Larson Senza 226 I/O 2007 is certified for 11. 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 226 I/O 2007 measures 102" wide, compared to 94" for the Larson Senza 186 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 Larson Senza 186 2005 or the Larson Senza 226 I/O 2007?
The Larson Senza 226 I/O 2007 has the bigger tank at 56 gallons, versus 29 gallons on the Larson Senza 186 2005. That 27-gallon difference translates to roughly 81–135 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Larson Senza 186 2005 and Larson Senza 226 I/O 2007 from the same manufacturer?
Yes — both the Larson Senza 186 2005 and the Larson Senza 226 I/O 2007 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.