Both the Robalo R247 2013 and the Robalo R305 2013 are deep-V designs, both built in fibreglass, so 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 Robalo R305 2013 measures 29,2 feet overall (2013), giving it roughly 5,2 additional feet of deck space compared to the Robalo R247 2013 at 24,0 feet (2013). Weight tells a clearer story for trailering families: the Robalo R305 2013 tips the scales at 9 600 lbs - 4 600 lbs less than the Robalo R247 2013 at 5 000 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 700 hp, the Robalo R305 2013 has a 300-hp advantage over the Robalo R247 2013's 400-hp ceiling - enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Robalo R305 2013 carries 284 gallons versus 139 gallons in the Robalo R247 2013. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

For family outings this is probably the sharpest distinction between the two. The Robalo R247 2013 is rated for 10 passengers, while the Robalo R305 2013 caps at 8. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Robalo R247 2013 could be the deciding factor.