Naturally aspirated engines are the way to go for anyone who wants their horsepower delivered in a linear, undiluted fashion, but the engines are now a rare breed, even in the world of sports cars.

View post: Shelby Gives the Ford F-150 Raptor R 1,000 Horsepower to Slay the Ram 1500 TRX SRT But if you can’t stretch your budget far enough for a new Z sports car, there are two older models that ...