Matching a flat Xpress Bayou 18 2012 against a modified vee Xpress H51 2013 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.
On paper these two are close siblings in the size department — Xpress Bayou 18 2012 at 18,0 ft versus Xpress H51 2013 at 17,0 ft. Weight tells a clearer story for trailering families: the Xpress H51 2013 tips the scales at 862 lbs — 787 lbs less than the Xpress Bayou 18 2012 at 75 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.
Both boats share a closely matched power ceiling — 50 hp for the Xpress Bayou 18 2012 and 70 hp for the Xpress H51 2013. Real-world performance will come down more to which motor is actually bolted on, its load at the time, and whether it's a 4-stroke or 2-stroke setup.
For family outings this is probably the sharpest distinction between the two. The Xpress Bayou 18 2012 is rated for 5 passengers, while the Xpress H51 2013 caps at 4. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Xpress Bayou 18 2012 could be the deciding factor.
At this size, power-to-weight ratio matters more than outright horsepower. The Xpress Bayou 18 2012 comes in at 2 lbs per hp versus 12 lbs per hp for the Xpress H51 2013. The lower the ratio the more explosive the acceleration — meaningful on a short RIB where bursts of speed, quick planing, and agility in surf or tight waterways define the experience.
Bottom line: Choose the Xpress Bayou 18 2012 if your priority is putting more people on the water — it handles 5 passengers and at 18,0 ft it has the deck room to back that rating up comfortably. The Xpress H51 2013 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 4 that costs less to run day-to-day.