When two boats share the same hull type — in this case both the Riviera Yachts 50 Enclosed Flybridge 2013 and the Riviera Yachts 53 Open Flybridge with IPS or Zeus 2012 are deep vee designs with fiberglass construction — 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?

Size is the most obvious dividing line here. The Riviera Yachts 53 Open Flybridge with IPS or Zeus 2012 measures 59,7 feet overall (2012), giving it roughly 3,2 additional feet of deck space compared to the Riviera Yachts 50 Enclosed Flybridge 2013 at 56,5 feet (2013). Weight tells a clearer story for trailering families: the Riviera Yachts 50 Enclosed Flybridge 2013 tips the scales at 50 706 lbs — 45 790 lbs more than the Riviera Yachts 53 Open Flybridge with IPS or Zeus 2012 at 4 916 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 — 442 hp for the Riviera Yachts 50 Enclosed Flybridge 2013 and 435 hp for the Riviera Yachts 53 Open Flybridge with IPS or Zeus 2012. 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 boats are rated for 17 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.