In 2010, Infiniti slapped an IPL badge and some go-fast bits on its G37 coupe giving it 348 horsepower (259 kilowatts). At the same time, the company added all-wheel drive to its lineup, signified by a single 'X,' available on both the sedan and coupe to counter that newfound performance.

  • X: All-Wheel Drive
  • IPL: Infiniti Performance Line