The G35 sedan has been refurbished and while the chassis has remained unchanged, improvements have not escaped the engine. This VQ35HR engine is more powerful, more economical and sharper than the previous one. HR stands for high revs - over 80% of the internal components have been reinforced or redesigned to cope with the increased speed range where the red scale starts at just 7500 rpm! In U.S. consumer surveys, the G35 ranks first in the top 10 luxury sedans in 2007 and 2008.