you are comparing 0-60 and 1/4 mile times taken years apart. what does that really show, except that you are good at saving things? these times are heavily affected by engine bay and ambient temps, humidity, elevation, slope, and other factors that are inconsistent between the vehicle runs. if you really want to show the difference between an '06 and a '12 srt8, run a real test: line them up at a 1/