Berkshire 21RFX STS vs South Bay 521CR Black Out Package: 5-year value retention (59% vs 59%), resale value, and cost of ownership head-to-head. Berkshire 21RFX STS holds its value better.
On five-year value retention the Berkshire 21RFX STS comes out ahead, holding about 59% of its value versus 59% for the South Bay 521CR Black Out Package. Over the first five years the Berkshire 21RFX STS loses roughly $18,100 while the South Bay 521CR Black Out Package loses about $17,515 — a gap near $-585.
First-year drop is the biggest factor: the Berkshire 21RFX STS sheds about 30% in year one versus 23% for the South Bay 521CR Black Out Package. If you buy used, the steeper early drop is what the original owner absorbs.
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