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|2004||2004 4dr Sedan, ext. 330-hp 4.2L V8 6-sp shiftable automatic AWD||19.1||
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|With the 158-horsepower 2.0L I4 engine, CVT transmission, and front-wheel drive, the 2004 Audi A8 / S8 has been averaging 19.1 MPG (miles per gallon).
The 2004 Audi A8 / S8s in this analysis were driven mostly on the highway at an average speed of 74 miles per hour (about 66.4 percent of the miles driven). The rest of the miles were in the city (11 percent), in heavy traffic (8 percent), and in the suburbs (0 percent).
In addition, the average 2004 Audi A8 / S8 in this analysis was driven on flat terrain with a medium foot and the AC on only some of the time.