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|2005||2005 4dr Sedan 205-hp 3.8L V6 4-sp automatic FWD||27.45||
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|With the 205-horsepower 3.8L V6 engine, 4-speed automatic transmission, and front-wheel drive, the 2005 Buick LeSabre has been averaging 27.45 MPG (miles per gallon).
The 2005 Buick LeSabres in this analysis were driven mostly on the highway at an average speed of 70 miles per hour (about 85 percent of the miles driven). The rest of the miles were in heavy traffic (5 percent), in the suburbs (0 percent), and in the city (0 percent).
In addition, the average 2005 Buick LeSabre in this analysis was driven on hilly terrain with a medium foot and the AC on only some of the time.