Matching a deep vee Xpress DVX FS Series - DVX175FS 2008 against a modified vee Xpress X21 2010 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 Xpress X21 2010 measures 21,0 feet overall (2010), giving it roughly 4,0 additional feet of deck space compared to the Xpress DVX FS Series - DVX175FS 2008 at 17,0 feet (2008). At 85 lbs and 158 lbs respectively, both sit in a similar weight class — either should pair comfortably with most mid-size SUVs and half-ton trucks, though always confirm your specific tow rating with the motor added.
The power gap is worth calling out. Rated to 250 hp, the Xpress X21 2010 has a 135-hp advantage over the Xpress DVX FS Series - DVX175FS 2008's 115-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load.
Both boats are rated for 4 passengers — a good fit for a family of four or five plus guests. Comfort at capacity is another matter; the longer hull typically means more seat options and better weight distribution.
Bottom line: The Xpress X21 2010 at 21,0 ft is the right call if deck space, comfort, and entertaining are top of your list. The Xpress DVX FS Series - DVX175FS 2008 at 17,0 ft wins on trailering ease, likely lower purchase price, and simpler docking — a solid choice for a buyer who wants more boat for less money.