The 2019 Jaguar XJ is available as a 4-door, 5-seat sedan. Starting at $75,700, the 2019 Jaguar XJ XJ R-Sport RWD is powered by a 3.0L , 6 -cylinder engine mated to an automatic transmission that returns an EPA estimated 18-mpg in the city and 27-mpg on the highway. The top of the line 2019JaguarXJXJ Collection RWD , priced at $ 85,000 , is powered by a 5.0L , 8 - cylinder engine mated to an automatic transmission that returns an EPA estimated 15-mpg in the city and 23-mpg on the highway.