If you are considering a car like the 2020 Lexus LS or Jaguar XJ, you are probably looking for a sporty vehicle with plenty of power. Speed and maneuverability, in addition to comfort and craftsmanship, are the hallmarks of these luxury models. But, the LS and XJ are not the same. Here is a breakdown of some of the qualities they share, and note that there are six models in the LS line, so options vary.