Thor Motor Coach 18M Promaster vs Thor Motor Coach 19P Sprinter: 5-year value retention (62% vs 62%), resale value, and cost of ownership head-to-head. Thor Motor Coach 19P Sprinter holds its value better.
On five-year value retention the Thor Motor Coach 19P Sprinter comes out ahead, holding about 62% of its value versus 62% for the Thor Motor Coach 18M Promaster. Over the first five years the Thor Motor Coach 19P Sprinter loses roughly $77,824 while the Thor Motor Coach 18M Promaster loses about $52,014 — a gap near $-25810.
First-year drop is the biggest factor: the Thor Motor Coach 19P Sprinter sheds about 28% in year one versus 28% for the Thor Motor Coach 18M Promaster. If you buy used, the steeper early drop is what the original owner absorbs.
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