Genesis Supreme 40GSXL vs Mdc XT16HR Island: 5-year value retention (61% vs 61%), resale value, and cost of ownership head-to-head. Genesis Supreme 40GSXL holds its value better.
On five-year value retention the Genesis Supreme 40GSXL comes out ahead, holding about 61% of its value versus 61% for the Mdc XT16HR Island. Over the first five years the Genesis Supreme 40GSXL loses roughly $51,556 while the Mdc XT16HR Island loses about $28,321 — a gap near $-23235.
First-year drop is the biggest factor: the Genesis Supreme 40GSXL sheds about 17% in year one versus 16% for the Mdc XT16HR Island. If you buy used, the steeper early drop is what the original owner absorbs.
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