Crownline E305 vs Sea Ray SDX 290: 5-year value retention (56% vs 56%), resale value, and cost of ownership head-to-head. Crownline E305 holds its value better.
On five-year value retention the Crownline E305 comes out ahead, holding about 56% of its value versus 56% for the Sea Ray SDX 290. Over the first five years the Crownline E305 loses roughly $134,067 while the Sea Ray SDX 290 loses about $67,451 — a gap near $-66616.
First-year drop is the biggest factor: the Crownline E305 sheds about 36% in year one versus 32% for the Sea Ray SDX 290. If you buy used, the steeper early drop is what the original owner absorbs.
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