LTZ 2014 Automatic Gasoline mileage: 1 KM Chevrolet Impala LTZ 2014 used for sale Automatic transmission Gasoline Mileage: 600 thousand Impala LTZ has driven more than 600 thousand. Photos are available in the ad. The engine has been changed, and now the transmission needs changing. It is currently at a workshop. The registration has expired. Before the transmission broke, I did maintenance on the suspension and undercarriage mechanics... for whoever is interested.