Thor Motor Coach 20A Promaster vs Thor Motor Coach 24LT Sprinter: 5-year value retention (58% vs 56%), resale value, and cost of ownership head-to-head. Thor Motor Coach 20A Promaster holds its value better.
On five-year value retention the Thor Motor Coach 20A Promaster comes out ahead, holding about 58% of its value versus 56% for the Thor Motor Coach 24LT Sprinter. Over the first five years the Thor Motor Coach 20A Promaster loses roughly $62,803 while the Thor Motor Coach 24LT Sprinter loses about $73,355 — a gap near $10,552.
First-year drop is the biggest factor: the Thor Motor Coach 20A Promaster sheds about 28% in year one versus 28% for the Thor Motor Coach 24LT Sprinter. If you buy used, the steeper early drop is what the original owner absorbs.
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