On my 2002 HCH is seemed as though I got better mileage with the windows closed and A/C on, but with my 2006 going the same speed and the same road I get better mileage with the A/C off and windows open. I don't care about aerodynamics and anything else, I just know my personal results.
Also, the 2006 is far superior to the 2002 in size, pep, and mileage.
I love this car.
Winds, ...



