2006 Pontiac Grand Prix MPG
Based on data from 54 vehicles, 4,286 fuel-ups and 1,147,988 miles of driving, the 2006 Pontiac Grand Prix gets a combined Avg MPG of 20.66 with a 0.13 MPG margin of error.
Below you can see a distribution of the fuel-ups with 170 outliers (3.82%) removed.
Following shows the average MPG of each of the 54 vehicles in the system.