Both the Donzi 38 ZF Open 2010 and the Donzi 38 ZSF 2008 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 - Donzi 38 ZF Open 2010 at 38,5 ft versus Donzi 38 ZSF 2008 at 38,0 ft. Weight tells a clearer story for trailering families: the Donzi 38 ZSF 2008 tips the scales at 16 000 lbs - 6 200 lbs less than the Donzi 38 ZF Open 2010 at 9 800 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 900 hp, the Donzi 38 ZF Open 2010 has a 75-hp advantage over the Donzi 38 ZSF 2008's 825-hp ceiling - enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Donzi 38 ZSF 2008 carries 410 gallons versus 318 gallons in the Donzi 38 ZF Open 2010. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

Both boats are rated for 11 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.