Avenger 21 RBS vs Gulf Stream 17SCD: 5-year value retention (50% vs 50%), resale value, and cost of ownership head-to-head. Avenger 21 RBS holds its value better.
On five-year value retention the Avenger 21 RBS comes out ahead, holding about 50% of its value versus 50% for the Gulf Stream 17SCD. Over the first five years the Avenger 21 RBS loses roughly $18,786 while the Gulf Stream 17SCD loses about $18,197 — a gap near $-589.
First-year drop is the biggest factor: the Avenger 21 RBS sheds about 17% in year one versus 42% for the Gulf Stream 17SCD. If you buy used, the steeper early drop is what the original owner absorbs.
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