<human>:  What are the features of a top-of-the-range luxury car?
<bot>: The features of a top-of-the-range luxury car may include a powerful engine, sophisticated styling, an abundance of high-end technology, luxurious interior appointments, and a suite of advanced driver assistance systems. Additionally, many of these cars come with a premium audio system, active suspension and air conditioning systems, and a panoramic sunroof.