With the sun starting to make more of a common appearance, the temptation to splash some of your hard-earned cash on some form of drop-top sports car can be difficult to resist. Once you’ve finally given in to the devil on your shoulder, there comes the decision of which machine to focus your attention on. Powerful six- or eight-cylinder options may quicken your heart rate, but they can cost a ton of money when the time comes to visit the nearest gas station, which will be fairly often.
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