Four Winns H4 Surf vs Thunderbird Formula 270 SUN Sport — Depreciation Comparison

Four Winns H4 Surf vs Thunderbird Formula 270 SUN Sport: 5-year value retention (55% vs 55%), resale value, and cost of ownership head-to-head. Four Winns H4 Surf holds its value better.

On five-year value retention the Four Winns H4 Surf comes out ahead, holding about 55% of its value versus 55% for the Thunderbird Formula 270 SUN Sport. Over the first five years the Four Winns H4 Surf loses roughly $64,247 while the Thunderbird Formula 270 SUN Sport loses about $88,254 — a gap near $24,007.

First-year drop is the biggest factor: the Four Winns H4 Surf sheds about 32% in year one versus 9% for the Thunderbird Formula 270 SUN Sport. If you buy used, the steeper early drop is what the original owner absorbs.

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