The Xpress H18 2013 is a modified-V design and the Xpress Yukon 18 2010 is a deep-V design, so you're likely deciding between two noticeably 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 H18 2013 at 18,0 ft versus Xpress Yukon 18 2010 at 18,0 ft. At 1 187 lbs and 1 215 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.
Both boats share a closely matched power ceiling - 115 hp for the Xpress H18 2013 and 115 hp for the Xpress Yukon 18 2010. 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. Both carry nearly identical fuel loads - 30 gal and 30 gal - so range won't be a tiebreaker here.
For family outings this is probably the sharpest distinction between the two. The Xpress Yukon 18 2010 is rated for 5 passengers, while the Xpress H18 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 Yukon 18 2010 could be the deciding factor.
At this size, power-to-weight ratio matters more than outright horsepower. The Xpress H18 2013 comes in at 10 lbs per hp versus 11 lbs per hp for the Xpress Yukon 18 2010. 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 Yukon 18 2010 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 H18 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.