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|2011||2011 4dr SUV 240-hp 3.0L V6 6-sp automatic FWD||18.85||
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|With the 240-horsepower 3.0L V6 engine, 6-speed automatic transmission, and front-wheel drive, the 2011 Mercury Mariner has been averaging 18.85 MPG (miles per gallon).
The 2011 Mercury Mariners in this analysis were driven mostly in heavy traffic (about 30 percent of the miles driven). The rest of the miles were in the city (30 percent), on the highway at an average speed of 60 miles per hour (10 percent), and in the suburbs (0 percent).
In addition, the average 2011 Mercury Mariner in this analysis was driven on flat terrain with an ultra-light foot and the AC not used at all.