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I'm still trying to figure out how OnStar can give you a 175-210 MPGe on a 60-70 mile trip, going 65 mph. I'm thinking it must be 2014, and if so, wow, I wish I was able to find a 2014 when I leased mine, (I tried to find one, but they were all gone in late January). My tires are at 33, cold. Maybe I should goose them to 35? Right now I'm showing 155 MPGe against 61 miles, most of which were under 50 mph - though about 10 miles of it was up a steep hill and another 10 down the same hill. But my lifetime MPGe is 133.

[QUOTE="ezryder, post: 10762, member: 541"] I'm still trying to figure out how OnStar can give you a 175-210 MPGe on a 60-70 mile trip, going 65 mph. I'm thinking it must be 2014, and if so, wow, I wish I was able to find a 2014 when I leased mine, (I tried to find one, but they were all gone in late January). My tires are at 33, cold. Maybe I should goose them to 35? Right now I'm showing 155 MPGe against 61 miles, most of which were under 50 mph - though about 10 miles of it was up a steep hill and another 10 down the same hill. But my lifetime MPGe is 133. [/QUOTE]

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