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Toyota Sienna Fuel Economy (g/100m)

g/100m Number of Vehicles
3 gallons per 100 meters 1 vehicles
4 gallons per 100 meters 12 vehicles
5 gallons per 100 meters 8 vehicles
6 gallons per 100 meters 1 vehicles
7 gallons per 100 meters 0 vehicles
8 gallons per 100 meters 0 vehicles
9 gallons per 100 meters 0 vehicles
10 gallons per 100 meters 0 vehicles
11 gallons per 100 meters 0 vehicles
12 gallons per 100 meters 0 vehicles
13 gallons per 100 meters 0 vehicles
14 gallons per 100 meters 0 vehicles
15 gallons per 100 meters 0 vehicles
16 gallons per 100 meters 0 vehicles
17 gallons per 100 meters 0 vehicles
18 gallons per 100 meters 0 vehicles
19 gallons per 100 meters 0 vehicles
20 gallons per 100 meters 0 vehicles
21 gallons per 100 meters 0 vehicles
22 gallons per 100 meters 0 vehicles
23 gallons per 100 meters 0 vehicles
24 gallons per 100 meters 0 vehicles
25 gallons per 100 meters 1 vehicles
Model Year Body/Powertrain g/100m  
2008 2008 4dr Minivan, ext. 266-hp 3.5L V6 6-sp shiftable automatic AWD 5.71
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With the 221 kilowatts 3.5L V6 engine, 8-speed shiftable automatic transmission, and all-wheel drive, the 2008 Toyota Sienna has been averaging 5.71 L/100km (liters per 100 kilometers).

The 2008 Toyota Siennas in this analysis were driven mostly on the highway at an average speed of 70 kilometers per hour (about 80 percent of the kilometers driven). The rest of the kilometers were in the city (20 percent), in the suburbs (0 percent), and in heavy traffic (0 percent).

In addition, the average 2008 Toyota Sienna in this analysis was driven on hilly terrain with a medium foot and the AC on only some of the time.
2008 2008 4dr Minivan, ext. 266-hp 3.5L V6 6-sp shiftable automatic FWD 5.3
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What Our Members Are Saying about the Real Gas Mileage of the 2008 Toyota Sienna

2008 Toyota Sienna Real Gas Mileage: Pros
YearBody/PowertrainComment
2008 4dr Minivan, ext. 266-horsepower 3.5L V6
5-speed automatic FWD
I was impressed by the milage I get on this vehicle: around 10.7L/100km in the city and around 9L/100km on the highway. Driving with A/C on adds at least one liter per 100km see full Toyota Sienna review
2007 4dr Minivan, ext. 266-horsepower 3.5L V6
5-speed automatic FWD
The most fuel efficient handicap conversion van we have owned (compared to previous two vans) see full Toyota Sienna review
2007 4dr Minivan, ext. 266-horsepower 3.5L V6
5-speed automatic FWD
My previous van got 15 mpg with the Sienna I am getting over 20 mpg all time and 24 on highway see full Toyota Sienna review
2007 4dr Minivan, ext. 266-horsepower 3.5L V6
5-speed automatic FWD
Really not bad for a vehicle this big and powerful see full Toyota Sienna review
2007 4dr Minivan, ext. 266-horsepower 3.5L V6
5-speed automatic FWD
very good for a V6. Average 23mpg mixed driving, 26-27mpg highway running 65-70mph. see full Toyota Sienna review
2007 4dr Minivan, ext. 266-horsepower 3.5L V6
5-speed automatic FWD
Excellent for a large vehicle see full Toyota Sienna review
2008 Toyota Sienna Real Gas Mileage: Cons
YearBody/PowertrainComment
2008 4dr Minivan, ext. 266-horsepower 3.5L V6
5-speed automatic AWD
Could be better see full Toyota Sienna review
2007 4dr Minivan, ext. 266-horsepower 3.5L V6
5-speed automatic FWD
It is fair for a minivan, but the RAV4 gets significantly better mileage because it is built on the Camry chassis. see full Toyota Sienna review
 

2008 Toyota Sienna Gas Mileage (g/100m)

Unlike other fuel economy surveys, TrueDelta's Real-World Gas Mileage Survey includes questions about how and where a car was driven. So you can get an idea of the Toyota Sienna's real-world g/100m based on how and where you drive a car.