robinsonmac
New member
1.8M avg. 32.2 - 32.0 MPG. You all do know that the more the car is driven it takes a lot to bring the average up or down. For example if I take a road trip & avg. 38 MPG for 500 miles, then drive in bumper to bumper traffic & avg. 22 MPG for 20 miles the avg. isn't going to change much from 38 mpg. The Sonics should have a instant MPG calculator. Make sure you reset it after every fill up to get a current reading. Or you have to use the odometer & gas receipt to really calculate your fuel efficiency.