At the bottom of the screen, a calculation of the vehicle´s gas mileage at the current instant is displayed; it ranges from about 7 MPG (when I floored the accelerator from a stop) to 99 MPG (on any flat or downhill road).
While SUVs have become more fuel-efficient, explains Champion, the greater number on the road has lowered the average fuel mileage.
I purchased a 2005 bonneville gxp, and the fuel mileage sucks.
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