- Stock #443367 - 2014 CROWNLINE 255 SS, TRAILER INCLUDED AND READY FOR THE WATER!! There is a reason the Crownline 255 SS has been the best-selling boat for many years. Crownling is known for using the highest-quality materials and spending a lot of thought on the design. The powerplant is the 350 Mag, which has 300 hp. The drive is the Mercruiser Bravo Three, which has twin propellers. This engine can easily pull skiers or wakeboards while getting reasonable fuel consumption for a 25-foot boat with up to 12 passengers max. The layout is fantastic and comfort and style are the goals... read more