The Triton Boats 21X3 DC & SC 2009 is a modified-V design and the Triton Boats DV 16 2009 is a deep-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.

The power gap is worth calling out. Rated to 300 hp, the Triton Boats 21X3 DC & SC 2009 has a 210-hp advantage over the Triton Boats DV 16 2009's 90-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 21X3 DC & SC 2009 carries 53 gallons versus 17 gallons in the Triton Boats DV 16 2009. 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 21X3 DC & SC 2009 is rated for 6 passengers, while the Triton Boats DV 16 2009 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Triton Boats 21X3 DC & SC 2009 could be the deciding factor.