Harris SL 250 Twin Engine vs Harris SL 270: 5-year value retention (53% vs 53%), resale value, and cost of ownership head-to-head. Harris SL 250 Twin Engine holds its value better.
On five-year value retention the Harris SL 250 Twin Engine comes out ahead, holding about 53% of its value versus 53% for the Harris SL 270. Over the first five years the Harris SL 250 Twin Engine loses roughly $157,999 while the Harris SL 270 loses about $81,206 — a gap near $-76793.
First-year drop is the biggest factor: the Harris SL 250 Twin Engine sheds about 15% in year one versus 15% for the Harris SL 270. If you buy used, the steeper early drop is what the original owner absorbs.
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