Alumaweld 21 vs SeaArk BC 190: 5-year value retention (78% vs 78%), resale value, and cost of ownership head-to-head. Alumaweld 21 holds its value better.
On five-year value retention the Alumaweld 21 comes out ahead, holding about 78% of its value versus 78% for the SeaArk BC 190. Over the first five years the Alumaweld 21 loses roughly $10,265 while the SeaArk BC 190 loses about $6,780 — a gap near $-3485.
First-year drop is the biggest factor: the Alumaweld 21 sheds about 16% in year one versus 11% for the SeaArk BC 190. If you buy used, the steeper early drop is what the original owner absorbs.
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