Gulf Stream 408TBS vs Keystone Rv 423: 5-year value retention (47% vs 47%), resale value, and cost of ownership head-to-head. Gulf Stream 408TBS holds its value better.
On five-year value retention the Gulf Stream 408TBS comes out ahead, holding about 47% of its value versus 47% for the Keystone Rv 423. Over the first five years the Gulf Stream 408TBS loses roughly $42,750 while the Keystone Rv 423 loses about $82,792 — a gap near $40,042.
First-year drop is the biggest factor: the Gulf Stream 408TBS sheds about 40% in year one versus 16% for the Keystone Rv 423. If you buy used, the steeper early drop is what the original owner absorbs.
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