Alweld 1552VV Invader vs SeaArk 1660 MVT Rescue: 5-year value retention (75% vs 75%), resale value, and cost of ownership head-to-head. Alweld 1552VV Invader holds its value better.
On five-year value retention the Alweld 1552VV Invader comes out ahead, holding about 75% of its value versus 75% for the SeaArk 1660 MVT Rescue. Over the first five years the Alweld 1552VV Invader loses roughly $1,974 while the SeaArk 1660 MVT Rescue loses about $2,732 — a gap near $758.
First-year drop is the biggest factor: the Alweld 1552VV Invader sheds about 20% in year one versus 13% for the SeaArk 1660 MVT Rescue. If you buy used, the steeper early drop is what the original owner absorbs.
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