Both the Yellowfin 23 2012 and the Yellowfin 23 Twin Outboard 2011 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 - Yellowfin 23 2012 at 24,9 ft versus Yellowfin 23 Twin Outboard 2011 at 24,9 ft. At 3 800 lbs and 3 800 lbs respectively, both sit in a similar weight class - either should pair comfortably with most mid-size SUVs and half-ton trucks, though always confirm your specific tow rating with the motor added.
The power gap is worth calling out. Rated to 400 hp, the Yellowfin 23 Twin Outboard 2011 has a 50-hp advantage over the Yellowfin 23 2012's 350-hp ceiling - enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Both carry nearly identical fuel loads - 160 gal and 160 gal - so range won't be a tiebreaker here.
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: Performance buyers should lean toward the Yellowfin 23 Twin Outboard 2011 and its 400-hp ceiling. If fuel economy and quieter running matter more than top-end speed, the Yellowfin 23 2012 with its 350-hp rating is the more economical daily driver.