Both the Chaparral 204 SSi Sportboat 2004 and the Chaparral Sunesta 284 2009 are modified-V designs, 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?

The power gap is worth calling out. Rated to 425 hp, the Chaparral Sunesta 284 2009 has a 105-hp advantage over the Chaparral 204 SSi Sportboat 2004's 320-hp ceiling - enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Chaparral Sunesta 284 2009 carries 105 gallons versus 51 gallons in the Chaparral 204 SSi Sportboat 2004. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

The Chaparral 204 SSi Sportboat 2004 is rated for up to 10 people. Passenger data for the Chaparral Sunesta 284 2009 wasn't available.