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55 Posts
40mpg is possible with basically all highway driving. On the tank that I got 40mpg I kept the car under 80mph and didn't use cruise control unless the road was 100% flat. I tried to stay around 75-78mph the whole way but when going up the hills on the highway I let the speed drop into the 60s. So I was specifically trying to hypermile the car to see the overall mileage. Before when I did this I only got like 32mpg, so the PCV fix definitely changes things.You get 40mpg?! That's nice. I know driving habits and conditions play into mpg, but curious if most of your driving is highway; inquiry minds would like to know.