Without question, the Ferrari 458 Italia is the best car I have ever driven. You might assume the Italian supercar earns that distinction on shear performance and sex appeal, but the truth is that the 458 is a much more complete car. Its excellence is in how it combines measured balance with raw capability unlike any other vehicle. The 458 Italia is sophisticated but visceral. Aggressive yet refined. Elegant and brutish. With the Spider, Ferrari aims to add one more contradiction to the 458's achievements: a convertible that's also a coupe.

Ferrari's task in building a Spider is not quite as intuitive as it sounds. The open-air 458 is certainly a predictable and modest evolution of the Italia, but the buyers of the two cars are very different. The average 458 Italia will see most of its action on the weekend, without a passenger, and on shorter trips. Spiders, on the other hand, are more likely to be daily drivers exposed to city streets, often with a passenger in the right seat. More notably, Ferrari asserts that Spider owners drive with a sporty -- not aggressive -- style...