Both the Sea Ray 210 Overnighter 2012 and the Sea Ray 240 Sundeck 2012 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?

On paper these two are close siblings in the size department - Sea Ray 210 Overnighter 2012 at 21,3 ft versus Sea Ray 240 Sundeck 2012 at 24,1 ft. Weight tells a clearer story for trailering families: the Sea Ray 240 Sundeck 2012 tips the scales at 4 850 lbs - 1 125 lbs less than the Sea Ray 210 Overnighter 2012 at 3 725 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 300 hp, the Sea Ray 240 Sundeck 2012 has a 40-hp advantage over the Sea Ray 210 Overnighter 2012's 260-hp ceiling - enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Sea Ray 240 Sundeck 2012 carries 55 gallons versus 46 gallons in the Sea Ray 210 Overnighter 2012. 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 Sea Ray 240 Sundeck 2012 is rated for 10 passengers, while the Sea Ray 210 Overnighter 2012 caps at 8. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Sea Ray 240 Sundeck 2012 could be the deciding factor.