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|MPG||Number of Vehicles|
|11 miles per gallon||1 vehicles|
|12 miles per gallon||0 vehicles|
|13 miles per gallon||0 vehicles|
|14 miles per gallon||0 vehicles|
|15 miles per gallon||2 vehicles|
|16 miles per gallon||7 vehicles|
|17 miles per gallon||13 vehicles|
|18 miles per gallon||2 vehicles|
|19 miles per gallon||1 vehicles|
|20 miles per gallon||0 vehicles|
|21 miles per gallon||1 vehicles|
|22 miles per gallon||0 vehicles|
|23 miles per gallon||0 vehicles|
|24 miles per gallon||1 vehicles|
|2015||2015 4dr Minivan, ext. 266-hp 3.5L V6 6-sp shiftable automatic FWD||16.88||
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|With the 296-horsepower 3.5L V6 engine, 8-speed shiftable automatic transmission, and front-wheel drive, the 2015 Toyota Sienna has been averaging 16.88 MPG (miles per gallon).
The 2015 Toyota Siennas in this analysis were driven mostly in heavy traffic (about 41.9 percent of the miles driven). The rest of the miles were on the highway at an average speed of 73 miles per hour (13.9 percent), in the city (11.2 percent), and in the suburbs (0 percent).
In addition, the average 2015 Toyota Sienna in this analysis was driven on hilly terrain with a light foot and the AC not used at all.