Like Boots' thread, but for fuel economy.
2010 Civic automatic
- Mostly city driving/stop and go
- Averaging 11.3 L/100 km - 22 MPG
- Best to date: 5.4L/100 km - 44 MPG (all highway)
- Worst to date: 13.4L/100 km - 17 MPG
- Shell 87 octane
- Only ~5,700 km on the car so far since August, so hopefully it keeps getting better