The Crest Crest II 25 2006 vs Crest Upper Sundeck 27 2009 comparison sits squarely in the category of decisions where specs alone won't tell the whole story — intended use, storage, and long-term ownership costs all factor in.
On paper these two are close siblings in the size department — Crest Crest II 25 2006 at 25,0 ft versus Crest Upper Sundeck 27 2009 at 27,0 ft. Weight tells a clearer story for trailering families: the Crest Upper Sundeck 27 2009 tips the scales at 3 988 lbs — 1 362 lbs less than the Crest Crest II 25 2006 at 2 626 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 — 135 hp for the Crest Crest II 25 2006 and 150 hp for the Crest Upper Sundeck 27 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.
For family outings this is probably the sharpest distinction between the two. The Crest Upper Sundeck 27 2009 is rated for 15 passengers, while the Crest Crest II 25 2006 caps at 14. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Crest Upper Sundeck 27 2009 could be the deciding factor.
Bottom line: Choose the Crest Upper Sundeck 27 2009 if your priority is putting more people on the water — it handles 15 passengers and at 27,0 ft it has the deck room to back that rating up comfortably. The Crest Crest II 25 2006 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 14 that costs less to run day-to-day.