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|2004||2004 4dr Sedan 200-hp 3.8L V6 4-sp automatic FWD||24.64||
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|With the turbocharged 175hp 1.6L I4 engine, 7-speed automated manual transmission, and all-wheel drive, the 2004 Buick Regal has been averaging 24.64 MPG (miles per gallon).
The 2004 Buick Regals in this analysis were driven mostly on the highway at an average speed of 60 miles per hour (about 53 percent of the miles driven). The rest of the miles were in the city (15.5 percent), in the suburbs (0 percent), and in heavy traffic (0 percent).
In addition, the average 2004 Buick Regal in this analysis was driven on flat terrain with a medium foot and the AC on only some of the time.