When you need power, safety, and size for your patrol fleet, the answer is the 2016 Chevrolet Impala Police LTD. Available in marked patrol car or unmarked, Impala Police LTD packs a powerful V6 engine mated to a smooth and reliable 6-speed transmission, as well as a host of safety features and the capacity to be tailored to meet the needs of the most rigorous crime-stopping tasks