Monterey M45 vs Sea Ray SLX 280: 5-year value retention (57% vs 57%), resale value, and cost of ownership head-to-head. Sea Ray SLX 280 holds its value better.
On five-year value retention the Sea Ray SLX 280 comes out ahead, holding about 57% of its value versus 57% for the Monterey M45. Over the first five years the Sea Ray SLX 280 loses roughly $86,534 while the Monterey M45 loses about $52,957 — a gap near $-33577.
First-year drop is the biggest factor: the Sea Ray SLX 280 sheds about 33% in year one versus 28% for the Monterey M45. If you buy used, the steeper early drop is what the original owner absorbs.
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