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|2004||2004 4dr Sedan 275-hp 4.6L V8 4-sp automatic FWD||20.28||
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|With the 275-horsepower 4.6L V8 engine, 4-speed automatic transmission, and front-wheel drive, the 2004 Cadillac DeVille has been averaging 20.28 MPG (miles per gallon).
The 2004 Cadillac DeVilles in this analysis were driven mostly on the highway at an average speed of 68 miles per hour (about 40.3 percent of the miles driven). The rest of the miles were in the city (20.5 percent), in heavy traffic (13.3 percent), and in the suburbs (0 percent).
In addition, the average 2004 Cadillac DeVille in this analysis was driven on flat terrain with a medium foot and the AC on only some of the time.