Matching a modified vee Sea Fox 172CC 2011 against a deep vee Sea Fox 256CC 2008 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.
Size is the most obvious dividing line here. The Sea Fox 256CC 2008 measures 25,0 feet overall (2008), giving it roughly 7,9 additional feet of deck space compared to the Sea Fox 172CC 2011 at 17,1 feet (2011). Weight tells a clearer story for trailering families: the Sea Fox 172CC 2011 tips the scales at 155 lbs — 118 lbs more than the Sea Fox 256CC 2008 at 37 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 400 hp, the Sea Fox 256CC 2008 has a 285-hp advantage over the Sea Fox 172CC 2011'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 Sea Fox 172CC 2011 carries 27 gallons versus 15 gallons in the Sea Fox 256CC 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 Sea Fox 172CC 2011 is rated for 5 passengers, while the Sea Fox 256CC 2008 caps at 1. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Sea Fox 172CC 2011 could be the deciding factor.
Bottom line: Choose the Sea Fox 172CC 2011 if your priority is putting more people on the water — it handles 5 passengers and at 17,1 ft it has the deck room to back that rating up comfortably. The Sea Fox 256CC 2008 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 1 that costs less to run day-to-day.