Both the Xpress H51 2012 and the Xpress X19 2010 are modified-V designs, both built in aluminium, so the buying decision usually comes down to a handful of practical questions: how many people are you putting on the water, how far do you trailer, and what does your tow vehicle weigh?
On paper these two are close siblings in the size department - Xpress H51 2012 at 17,0 ft versus Xpress X19 2010 at 19,0 ft. Weight tells a clearer story for trailering families: the Xpress X19 2010 tips the scales at 1 390 lbs - 708 lbs less than the Xpress H51 2012 at 682 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 200 hp, the Xpress X19 2010 has a 130-hp advantage over the Xpress H51 2012's 70-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: Performance buyers should lean toward the Xpress X19 2010 and its 200-hp ceiling. If fuel economy and quieter running matter more than top-end speed, the Xpress H51 2012 with its 70-hp rating is the more economical daily driver.