The Triton Boats 186 Allure 2013 is a deep-V design and the Triton Boats 186 Magnum SC 2008 is a modified-V design, so you're likely deciding between two noticeably 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 - Triton Boats 186 Allure 2013 at 18,5 ft versus Triton Boats 186 Magnum SC 2008 at 18,0 ft. Weight tells a clearer story for trailering families: the Triton Boats 186 Allure 2013 tips the scales at 1 950 lbs - 640 lbs more than the Triton Boats 186 Magnum SC 2008 at 1 310 lbs. That difference is meaningful if you're working within a half-ton or three-quarter-ton truck's tow rating, especially once you factor in a motor, gear, and fuel.
The power gap is worth calling out. Rated to 150 hp, the Triton Boats 186 Magnum SC 2008 has a 35-hp advantage over the Triton Boats 186 Allure 2013's 115-hp ceiling - enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Triton Boats 186 Allure 2013 carries 31 gallons versus 27 gallons in the Triton Boats 186 Magnum SC 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 Triton Boats 186 Magnum SC 2008 is rated for 4 passengers, while the Triton Boats 186 Allure 2013 caps at 1. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Triton Boats 186 Magnum SC 2008 could be the deciding factor.
Bottom line: Choose the Triton Boats 186 Magnum SC 2008 if your priority is putting more people on the water - it handles 4 passengers and at 18,0 ft it has the deck room to back that rating up comfortably. The Triton Boats 186 Allure 2013 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 1 that costs less to run day-to-day.