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why does my 2005 sienna awd get 12 mpg in the city, 17 mpg on the freeway?

disappointed
25

Asked by disappointed Apr 20, 2007 at 04:17 PM about the 2005 Toyota Sienna

Question type: General

3 Answers

98DAK
1,315

The mileage that dealers and auto makers post on a car are figured based on someone driving 55 mph on a flat road. If you go over 55, you drastically reduce your fuel efficiency. If you are doing 12 MPG in the city , then you must do a lot of stops and starts

1 out of 1 people think this is helpful.
configs
0

I have the same problem with a 2006. I've been fighting it ever since buying the damn thing certified pre-owned. I have found that if I use 91 octane and fill up when the tank is around half empty I can get 19 to 20 city with around 26 highway... not great but better than the 13/19 I was getting before on lower octane. Filling up after using only around 10 gallons is something I haven't been able to figure out. I have been able to determine that if I fill up less than or greater than when half the tank has been used I get the same bad mpg as on lower octane.

TheRamenGirl
0

My 2006 Sienna limited AWD gets about 14 mpg overall and 20 mpg on the highway. Mine gets better gas mileage at higher speeds. During the trip from DC to FL, I drove at over 70 MPH and got just about 20 MPG. At home, everyday driving yields about 14 MPG. Lower than the sticker when I bought it new 4 years ago. I put in regular gas mostly from Exxon or a major vendor (Shell, BP, Chevron, etc) never from the Crown or a mom and pop shop (no brand).

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