2015 Chevrolet Impala LTZ. 2015 Chevrolet Impala for sale near St. Peters in O'Fallon at Jim Trenary Chevrolet. Leather heated/AC front bucket seats, backup camera, sunroof, 4DR sedan, 3.6L V6, 6-speed automatic, FWD, 19" alloy wheels, remote engine start, split folding... via AutoRevolution