For more than 50 years Impala has delivered refinement and efficiency in a sedan millions have come to rely on. And every year Impala offers improvements that reaffirm its already noteworthy reputation. Impala blends full-size car comfort and midsize car efficiency offering up to 30 MPG highway . The 3.6L V6 engine and 6-speed automatic transmission combine impressive power and smooth performance to make passing and merging effortless in all conditions. It s simply no surprise the Impala is so popular. Impala s aerodynamic styling means more than good fuel efficiency. It satisfies drivers and bystanders alike with generous interior space and classic full size styling cues. Dual rear exhaust tips adorn the aggressive rear fascia. And beneath the flowing backlight Impala conceals a full 18.6 ft3 of trunk space.