The 2003 Jaguar XKR is available as a 2-door, 4-seat coupe. Starting at $81,330, the 2003 Jaguar XKR Coupe is powered by a 4.2L , 8 -cylinder engine mated to an automatic transmission that returns an EPA estimated 16-mpg in the city and 23-mpg on the highway. The top of the line 2003JaguarXKRConvertible , priced at $ 86,330 , is powered by a 4.2L , 8 - cylinder engine mated to an automatic transmission that returns an EPA estimated 16-mpg in the city and 23-mpg on the highway.