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|2004||2004 4dr Minivan, ext. 185-hp 3.4L V6 4-sp automatic AWD||52.3||
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|With the 260-horsepower 3.8L V6 engine, 6-speed shiftable automatic transmission, and all-wheel drive, the 2004 Oldsmobile Silhouette has been averaging 52.3 MPG (miles per gallon).
The 2004 Oldsmobile Silhouettes in this analysis were driven mostly in the city (about 26 percent of the miles driven). The rest of the miles were on the highway at an average speed of 100 miles per hour (25 percent), in heavy traffic (21 percent), and in the suburbs (0 percent).
In addition, the average 2004 Oldsmobile Silhouette in this analysis was driven on flat terrain with a light foot and the AC on only some of the time.