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|2005||2005 4dr Sedan supercharged 390hp 4.2L V8 6-sp automatic RWD||22.5||
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|With the supercharged 510hp 5.0L V8 engine, 8-speed shiftable automatic transmission, and rear-wheel drive, the 2005 Jaguar XJ has been averaging 22.5 MPG (miles per gallon).
The 2005 Jaguar XJs in this analysis were driven mostly on the highway at an average speed of 83 miles per hour (about 57.7 percent of the miles driven). The rest of the miles were in the city (29 percent), in heavy traffic (3.3 percent), and in the suburbs (0 percent).
In addition, the average 2005 Jaguar XJ in this analysis was driven on flat terrain with a light foot and the AC not used at all.