The Princecraft 20 ST 2005 vs Princecraft Sport 172 WS 2012 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.

Size is the most obvious dividing line here. The Princecraft Sport 172 WS 2012 measures 17,4 feet overall (2012), giving it roughly 15,4 additional feet of deck space compared to the Princecraft 20 ST 2005 at 2,0 feet (2005). Weight tells a clearer story for trailering families: the Princecraft 20 ST 2005 tips the scales at 1 734 lbs — 479 lbs more than the Princecraft Sport 172 WS 2012 at 1 255 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 Princecraft Sport 172 WS 2012 tops out at 125 hp. Engine specs for the Princecraft 20 ST 2005 aren't listed — confirm with a dealer before selecting an outboard.Fuel capacity breaks the other way: the Princecraft Sport 172 WS 2012 carries 26 gallons versus 3 gallons in the Princecraft 20 ST 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 Princecraft 20 ST 2005 is rated for 11 passengers, while the Princecraft Sport 172 WS 2012 caps at 6. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Princecraft 20 ST 2005 could be the deciding factor.