Bison 81316B S vs Bison 81515B S: 5-year value retention (76% vs 76%), resale value, and cost of ownership head-to-head. Bison 81316B S holds its value better.
On five-year value retention the Bison 81316B S comes out ahead, holding about 76% of its value versus 76% for the Bison 81515B S. Over the first five years the Bison 81316B S loses roughly $21,473 while the Bison 81515B S loses about $21,603 — a gap near $130.
First-year drop is the biggest factor: the Bison 81316B S sheds about 16% in year one versus 16% for the Bison 81515B S. If you buy used, the steeper early drop is what the original owner absorbs.
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