 The engine now sits 15 mm lower in the chassis for a lower center of gravity.Although the horsepower rating increases only 8 hp compared to the latest version of the previous "DE" engine, the real horsepower difference was much greater due to Nissan adopting the 2006 SAE hp measurement guidelines for horsepower ratings in 2007.According to "Consumer Reports" an Infiniti G35 Journey sedan with a 5-speed Automatic transmission can reach in 5.4 seconds, and the 1/4-mile (~400 m) 13.8 seconds.