A complete guide of Infiniti sports cars by used price, covering G, Q, IPL, and Red Sport models.

INFINITI is aiming straight at enthusiasts’ hearts with the rumored return of the Q50 as a true sports sedan, promising big power, rear-wheel drive, and—most tantalizing of all—a manual transmission.

It's been a long time since enthusiasts seriously thought about the Infiniti Q50, and not just because it finally got canceled last year. The 400-horsepower Red Sport was quick, but it just didn't ...