Matching a inflatable non rigid Mercury 340 Sport Hypalon 2011 against a inflatable rigid Mercury 430 Ocean Runner Hypalon 2012 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 — Mercury 340 Sport Hypalon 2011 at 11,2 ft versus Mercury 430 Ocean Runner Hypalon 2012 at 13,8 ft. Weight tells a clearer story for trailering families: the Mercury 340 Sport Hypalon 2011 tips the scales at 133 lbs — 109 lbs more than the Mercury 430 Ocean Runner Hypalon 2012 at 24 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 40 hp, the Mercury 430 Ocean Runner Hypalon 2012 has a 25-hp advantage over the Mercury 340 Sport Hypalon 2011's 15-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load.

For family outings this is probably the sharpest distinction between the two. The Mercury 430 Ocean Runner Hypalon 2012 is rated for 7 passengers, while the Mercury 340 Sport Hypalon 2011 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Mercury 430 Ocean Runner Hypalon 2012 could be the deciding factor.

At this size, power-to-weight ratio matters more than outright horsepower. The Mercury 430 Ocean Runner Hypalon 2012 comes in at 1 lbs per hp versus 9 lbs per hp for the Mercury 340 Sport Hypalon 2011. 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.