Allison XB 21 Bassport 2+2 Trnmnt vs Mirrocraft Northport F1687: 5-year value retention (77% vs 77%), resale value, and cost of ownership head-to-head. Allison XB 21 Bassport 2+2 Trnmnt holds its value better.
On five-year value retention the Allison XB 21 Bassport 2+2 Trnmnt comes out ahead, holding about 77% of its value versus 77% for the Mirrocraft Northport F1687. Over the first five years the Allison XB 21 Bassport 2+2 Trnmnt loses roughly $13,452 while the Mirrocraft Northport F1687 loses about $3,210 — a gap near $-10242.
First-year drop is the biggest factor: the Allison XB 21 Bassport 2+2 Trnmnt sheds about 5% in year one versus 5% for the Mirrocraft Northport F1687. If you buy used, the steeper early drop is what the original owner absorbs.
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