Do a tune-up first. I just did an inspection II after 98k miles and wish I did it at 60k. The air filter was black from all the road debris and I'm sure the spark plugs didn't burn that well. Now I'm averaging 18 MPG doing 70/30 city/hwy with rush hour included. I think I can easily get 25 MPG out of it if I do 70 MPH steady on a road trip.

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