Quote:
Originally Posted by dragoncoach
I drive that route many times a year but to San Diego. How do you drive 65 on I5 and NOT get run over by semis?  Traffic flows at between 75 -80. As long as you are following traffic and not cutting in and out, the CHP won't usually bother you. I'm usually at around 80, lightly loaded, and get 19+ mpg. Do you have an I6 or diesel and live in SF? If so, I seriously doubt if you can come close 27 mpg's from an X unless you are going 45mph on the freeway. Not too worried about mileage as I didn't get a V8 for mileage but if I drove 70 (posted speed limit) I'd probably get 21-22 mpg. In town, city driving in SF with the hills, 15...... 
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I'm driving an '02 3.0i. All I can say it was VERY stressful! I was purposely trying to squeeze every mile of the tank; 27 MPG

. Going south in the middle of the night helps because all the semis are going north. They're usually traveling slightly less than 65, so I have to plan every move and adjust speed to pass before the person going 80+ in the left lane catches up. When I go back north, I take 101 because there's just a lot less traffic after Santa Barbara. I just set it to 65 and cruise all the way back.
As for SF, I also get about 15 MPG. I don't think there's a completely leveled street in SF

. I live near Lake Merced and getting onto the freeway is a breeze for me. I also commute to Santa Cruz (75 miles), going on the 101/85/17, best I can get is 23.5 MPG, also while trying to squeeze every mile out.