The adjusted/new EPA numbers for the Elantra are spot on. Except when its cold of course. Below 40*F the car struggles. With an upper grill block and tires at 40ish psi this summer I got a round trip average of 40mpg at 65 miles an hour. The trip mph avg was 62. 360 miles each way. 30miles of city and 5-10 minutes of idle at the boarder check point included.
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