2007 Chevrolet Impala full size 4 door sedan which is EPA rated mileage as 21 MPG City/ 31 MPG Highway! It has the LT trim package which includes; the 3.5L V6 "Flexible Fuel" engine which is compatible with Ethinol E-85, 4 speed automatic transmission, automatic headlamps, power windows, power door locks, power seats, remote start, dual zone A/C, AM/FM with CD player and cruise control.