Allegro 38BB Cummins 360HP vs Thor Motor Coach 23U GM 3500: 5-year value retention (48% vs 48%), resale value, and cost of ownership head-to-head. Thor Motor Coach 23U GM 3500 holds its value better.
On five-year value retention the Thor Motor Coach 23U GM 3500 comes out ahead, holding about 48% of its value versus 48% for the Allegro 38BB Cummins 360HP. Over the first five years the Thor Motor Coach 23U GM 3500 loses roughly $56,592 while the Allegro 38BB Cummins 360HP loses about $200,652 — a gap near $144,060.
First-year drop is the biggest factor: the Thor Motor Coach 23U GM 3500 sheds about 13% in year one versus 33% for the Allegro 38BB Cummins 360HP. If you buy used, the steeper early drop is what the original owner absorbs.
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