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|2003||2003 4dr Minivan, ext. 185-hp 3.4L V6 4-sp automatic FWD||21||
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|With the 260-horsepower 3.8L V6 engine, 6-speed shiftable automatic transmission, and front-wheel drive, the 2003 Oldsmobile Silhouette has been averaging 21 MPG (miles per gallon).
The 2003 Oldsmobile Silhouettes in this analysis were driven mostly on the highway at an average speed of 60 miles per hour (about 20 percent of the miles driven). The rest of the miles were in the city (5 percent), in heavy traffic (5 percent), and in the suburbs (0 percent).
In addition, the average 2003 Oldsmobile Silhouette in this analysis was driven on flat terrain with a light foot and the AC not used at all.