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2006 Toyota Sienna Gas Mileage (MPG)

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 MPG based on how and where you drive a car.

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If you are not a TrueDelta member, you can see only five Toyota Sienna MPG averages for each powertrain. Log in or join us to see them all.

Toyota Sienna Gas Mileage

Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2006 4dr Minivan, ext. 215-horsepower 3.3L V6
5-speed automatic FWD
flat light hvy 20 10 0 70 70 23.0
  hills med light 9 23 23 45 60 21.0
  flat v.lt light 0 10 60 30 70 17.0
  flat med light 2 40 40 18 60 20.3
  flat light none 2 5 33 60 65 22.1
2006 4dr Minivan, ext. 215-horsepower 3.3L V6
5-speed automatic FWD
flat light light 7 18 31 45 65 20.7
  Averages flat light light 7 18 31 45 65 20.7
With the 266-horsepower 3.5L V6 engine, 6-speed shiftable automatic transmission, and front-wheel drive, 2006 Toyota Sienna fuel economy has been averaging 20.7 MPG (miles per gallon).

The 2006 Toyota Siennas in this analysis were driven mostly on the highway at an average speed of 65 miles per hour (about 45 percent of the miles driven). The rest of the miles were in the suburbs (31 percent), in the city (18 percent), and in heavy traffic (7 percent).

In addition the average 2006 Toyota Sienna in this analysis was driven on flat terrain with a light foot and the AC on only some of the time.
 
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2006 4dr Minivan, ext. 215-horsepower 3.3L V6
5-speed automatic AWD
flat light none 10 30 20 40 65 16.5
  hills lead hvy 5 5 10 80 75 20.0
  flat med none 0 30 10 60 65 18.2
  hills light light 0 0 2 98 70 21.7
  hills med none 5 15 60 20 62 18.7
2006 4dr Minivan, ext. 215-horsepower 3.3L V6
5-speed automatic AWD
hills med light 4 16 20 60 67 19.0
  Averages hills med light 4 16 20 60 67 19.0
With the 266-horsepower 3.5L V6 engine, 6-speed shiftable automatic transmission, and all-wheel drive, the 2006 Toyota Sienna has been averaging 19.0 MPG (miles per gallon).

The 2006 Toyota Siennas in this analysis were driven mostly on the highway at an average speed of 67 miles per hour (about 60 percent of the miles driven). The rest of the miles were in the suburbs (20 percent), in the city (16 percent), and in heavy traffic (4 percent).

In addition the average 2006 Toyota Sienna in this analysis was driven on hilly terrain with a medium foot and the AC on only some of the time.

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What Our Members Are Saying about the Real 2006 Toyota Sienna MPG

2006 Toyota Sienna Fuel Economy: Pros
Year Body/Powertrain Comment
2006 4dr Minivan, ext. 266-hp 3.5L V6 6-sp shiftable automatic FWD Round trip gas mileage of 28 to 29 MPG with overall 24.4 MPG average gas mileage.
2006 Toyota Sienna Fuel Economy: Cons
Year Body/Powertrain Comment
2006 4dr Minivan, ext. 266-hp 3.5L V6 6-sp shiftable automatic AWD Considerably higher than advertised