Both the Grady-White Advance 257 2010 and the Grady-White Journey 258 2009 are modified-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 - Grady-White Advance 257 2010 at 24,8 ft versus Grady-White Journey 258 2009 at 24,8 ft. Weight tells a clearer story for trailering families: the Grady-White Journey 258 2009 tips the scales at 4 320 lbs - 275 lbs less than the Grady-White Advance 257 2010 at 4 045 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 - 350 hp for the Grady-White Advance 257 2010 and 350 hp for the Grady-White Journey 258 2009. 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. Fuel capacity breaks the other way: the Grady-White Advance 257 2010 carries 151 gallons versus 127 gallons in the Grady-White Journey 258 2009. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.
Both boats are rated for 7 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.
Bottom line: The Grady-White Advance 257 2010 and Grady-White Journey 258 2009 are closely matched on the specs that matter most. Test-ride both on the water you actually use, check current dealer pricing, and factor in long-term service access before you sign.