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|2003||2003 4dr Sedan 205-hp 3.8L V6 4-sp automatic FWD||25.69||
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|With the 205-horsepower 3.8L V6 engine, 4-speed automatic transmission, and front-wheel drive, the 2003 Buick LeSabre has been averaging 25.69 MPG (miles per gallon).
The 2003 Buick LeSabres in this analysis were driven mostly on the highway at an average speed of 77 miles per hour (about 68 percent of the miles driven). The rest of the miles were in the city (28 percent), in heavy traffic (0.7 percent), and in the suburbs (0 percent).
In addition, the average 2003 Buick LeSabre in this analysis was driven on flat terrain with a light foot and the AC on only some of the time.