Actually the Elantra doesn't <i>quite</i> have the same motor anymore.
I test drove one the other day for sh*ts and giggles and was VERY unimpressed. They doubled the balancers on the crank, as well as changed the method of vibration dampening used in the motor mounts. As a result, the new Beta motor in the Elantra accelerates very poorly.
In actuality, I wasn't much more impressed driving the new Elantra than I was driving my 1.5L Accent <img src=icon_smile_sad.gif border=0 align=middle>.
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I drive a slow car.
0 to 60 in 11 seconds (look out!)