In something of a break with Ferrari tradition, the 330 Spyder was simply the coupé 330 GTC with the roof lopped off. Then again, given how much better the topless car looks, it’s very likely that the Spyder was designed first and had the roof added. Buyers certainly value the Spyder significantly higher than the coupé, and that difference isn’t all to do with the lack of roof and only 100 being built compared to six times as many GTCs. The GTS really is that far ahead in style and bragging rights. Remarkably friendly to drive despite its 300bhp.
info from Octane