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|2009||2009 4dr Sedan 227-hp 3.9L V6 4-sp automatic FWD||25.2||
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|With the 227-horsepower 3.9L V6 engine, 4-speed automatic transmission, and front-wheel drive, the 2009 Buick Lucerne has been averaging 25.2 MPG (miles per gallon).
The 2009 Buick Lucernes in this analysis were driven mostly on the highway at an average speed of 120 miles per hour (about 100 percent of the miles driven). The rest of the miles were in the suburbs (0 percent), in the city (0 percent), and in heavy traffic (0 percent).
In addition, the average 2009 Buick Lucerne in this analysis was driven on flat terrain with a medium foot and the AC not used at all.