Genesis Supreme 28IKS vs Keystone Rv 391 Loft: 5-year value retention (60% vs 60%), resale value, and cost of ownership head-to-head. Genesis Supreme 28IKS holds its value better.
On five-year value retention the Genesis Supreme 28IKS comes out ahead, holding about 60% of its value versus 60% for the Keystone Rv 391 Loft. Over the first five years the Genesis Supreme 28IKS loses roughly $40,883 while the Keystone Rv 391 Loft loses about $39,042 — a gap near $-1841.
First-year drop is the biggest factor: the Genesis Supreme 28IKS sheds about 23% in year one versus 27% for the Keystone Rv 391 Loft. If you buy used, the steeper early drop is what the original owner absorbs.
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