Matching a modified vee Larson 186 Senza 2010 against a deep vee Larson LX 205 S I/O 2013 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.
On paper these two are close siblings in the size department — Larson 186 Senza 2010 at 18,5 ft versus Larson LX 205 S I/O 2013 at 21,1 ft. At 27 lbs and 27 lbs respectively, both sit in a similar weight class — either should pair comfortably with most mid-size SUVs and half-ton trucks, though always confirm your specific tow rating with the motor added.
The Larson 186 Senza 2010 carries a rated maximum of 270 hp. Engine data for the Larson LX 205 S I/O 2013 wasn't available in our records — check the manufacturer's spec sheet before sizing a motor.Fuel capacity breaks the other way: the Larson 186 Senza 2010 carries 29 gallons versus 3 gallons in the Larson LX 205 S I/O 2013. 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 186 Senza 2010 is rated for 9 passengers, while the Larson LX 205 S I/O 2013 caps at 8. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Larson 186 Senza 2010 could be the deciding factor.
Bottom line: Choose the Larson 186 Senza 2010 if your priority is putting more people on the water — it handles 9 passengers and at 18,5 ft it has the deck room to back that rating up comfortably. The Larson LX 205 S I/O 2013 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 8 that costs less to run day-to-day.