The previously logged RX400h was a 2006 model, this one is brand new, 2008. Of course there were no big changes made, Lexus focused on optimizing the hybrid drive. There's not a lot difference between the two cars, as you can see on the virtual race chart. diagramon is jól látszik. They go almost exactly the same, except for the range between 30 and 70 km/h, where the newer car builds up a little speed advantage. This results in around 6 meters of distance between the two cars in a quarter mile. That's not a lot.