Matching a modified vee Zodiac Bayrunner 550 2013 against a inflatable non rigid Zodiac Classic Mark 1 HD 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 Zodiac Bayrunner 550 2013 measures 18,1 feet overall (2013), giving it roughly 6,6 additional feet of deck space compared to the Zodiac Classic Mark 1 HD 2010 at 11,5 feet (2010). Weight tells a clearer story for trailering families: the Zodiac Bayrunner 550 2013 tips the scales at 694 lbs — 553 lbs more than the Zodiac Classic Mark 1 HD 2010 at 141 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 — 40 hp for the Zodiac Bayrunner 550 2013 and 25 hp for the Zodiac Classic Mark 1 HD 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.
For family outings this is probably the sharpest distinction between the two. The Zodiac Bayrunner 550 2013 is rated for 12 passengers, while the Zodiac Classic Mark 1 HD 2010 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Zodiac Bayrunner 550 2013 could be the deciding factor.
At this size, power-to-weight ratio matters more than outright horsepower. The Zodiac Classic Mark 1 HD 2010 comes in at 6 lbs per hp versus 17 lbs per hp for the Zodiac Bayrunner 550 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.
Top speed is rated at 42 mph for the Zodiac Bayrunner 550 2013 and 28 mph for the Zodiac Classic Mark 1 HD 2010.
The Zodiac Bayrunner 550 2013 is an inflatable design — lighter, easier to store, and quicker to launch from a beach or dock without a slipway. The Zodiac Classic Mark 1 HD 2010 is a rigid hull, which typically offers a more confident ride in chop and easier maintenance over the long term.
Bottom line: Choose the Zodiac Bayrunner 550 2013 if your priority is putting more people on the water — it handles 12 passengers and at 18,1 ft it has the deck room to back that rating up comfortably. The Zodiac Classic Mark 1 HD 2010 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 5 that costs less to run day-to-day.