The ranking of Car and Driver is based on the large amount of instrument test data we conduct on hundreds of vehicle models every year, as well as the subjective feelings of professional editors in driving on real road conditions. When selecting the best luxury car, we referred to about 200 data dimensions, covering acceleration performance, handling, comfort, cargo space, fuel economy, cost performance, and driving pleasure. We take rankings very seriously because we want you to have a comprehensive understanding of every car you are interested in.