back to back testing the 2IS is still quicker 0-100 and in a 1/4 mile
you do know sports mode on increases throttle response not power output
Sports mode increase throttle response and transmission shift points and suspension
also the 2IS a sports/power button too
in a drag the 3IS cant not hit 5 flats just not possible with the gear ratio its got
the 2IS is350 has 4.09 gear ratio and the final drive ratio on the 3is is 3.13