The Triton Boats 192 Allure 2012 is a deep-V design and the Triton Boats 20XS SC 2010 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 192 Allure 2012 at 19,0 ft versus Triton Boats 20XS SC 2010 at 20,8 ft. Weight tells a clearer story for trailering families: the Triton Boats 192 Allure 2012 tips the scales at 2 074 lbs - 148 lbs more than the Triton Boats 20XS SC 2010 at 1 926 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 175 hp, the Triton Boats 20XS SC 2010 has a 40-hp advantage over the Triton Boats 192 Allure 2012's 135-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 20XS SC 2010 carries 53 gallons versus 40 gallons in the Triton Boats 192 Allure 2012. 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 20XS SC 2010 is rated for 650 passengers, while the Triton Boats 192 Allure 2012 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 20XS SC 2010 could be the deciding factor.
Bottom line: Choose the Triton Boats 20XS SC 2010 if your priority is putting more people on the water - it handles 650 passengers and at 20,8 ft it has the deck room to back that rating up comfortably. The Triton Boats 192 Allure 2012 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 1 that costs less to run day-to-day.