Thor Motor Coach 20L Promaster vs Thor Motor Coach 24LT Sprinter — Depreciation Comparison

Thor Motor Coach 20L Promaster vs Thor Motor Coach 24LT Sprinter: 5-year value retention (55% vs 56%), resale value, and cost of ownership head-to-head. Thor Motor Coach 24LT Sprinter holds its value better.

On five-year value retention the Thor Motor Coach 24LT Sprinter comes out ahead, holding about 56% of its value versus 55% for the Thor Motor Coach 20L Promaster. Over the first five years the Thor Motor Coach 24LT Sprinter loses roughly $73,355 while the Thor Motor Coach 20L Promaster loses about $67,123 — a gap near $-6232.

First-year drop is the biggest factor: the Thor Motor Coach 24LT Sprinter sheds about 28% in year one versus 28% for the Thor Motor Coach 20L Promaster. If you buy used, the steeper early drop is what the original owner absorbs.

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