Thunderbird Formula 31 PC vs Thunderbird Formula 350 CBR — Depreciation Comparison

Thunderbird Formula 31 PC vs Thunderbird Formula 350 CBR: 5-year value retention (55% vs 55%), resale value, and cost of ownership head-to-head. Thunderbird Formula 31 PC holds its value better.

On five-year value retention the Thunderbird Formula 31 PC comes out ahead, holding about 55% of its value versus 55% for the Thunderbird Formula 350 CBR. Over the first five years the Thunderbird Formula 31 PC loses roughly $205,651 while the Thunderbird Formula 350 CBR loses about $333,956 — a gap near $128,305.

First-year drop is the biggest factor: the Thunderbird Formula 31 PC sheds about 9% in year one versus 36% for the Thunderbird Formula 350 CBR. If you buy used, the steeper early drop is what the original owner absorbs.

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