Why is my 2007 Honda Odyssey get bad gas mileage?

Asked by Aug 25, 2016 at 11:13 AM about the 2007 Honda Odyssey 4 Dr EX-L

Question type: Maintenance & Repair

I bought a 2007 Honda Odyssey which is rated at 26 MPG on the highway,
but I am only getting 20 MPG. I was able to get 24 to 26 MPG with my
former car, a 2004 Honda Odyssey..... So I took my newer Honda to a
mechanic and he replaced the 2 Oxygen Sensors, because he said the old
ones were not opening, replaced coil on plug boot, replaced spark plugs,
did a fuel system tune up, put on brand new tires, did a 4 wheel alignment
and balanced the tires, and did an oil change. All at a cost of $1700. So I
took the Honda on some trips on the highway and got the same... 20
MPG. I really thought that Big O Tires ripped me off, but my wife
suggested that our new Honda was just sensitive to higher speeds so
instead of going 65 miles per hour, I toned it down to 60 MPH and used
the cruise control. Then my MPG went up to 22.5 MPG, but I still think that
something is wrong. Thanks for any help on this issue.  -Arnie

7 Answers

119,585

here is chart of owners and what MPG's they are getting, looking at it, your car is perfect. http://www.fuelly.com/car/honda/odyssey

7 people found this helpful.
64,135

What air pressure are you running in the tires?

119,585

Bob, his MPG is right on the money as compared with others owners of the same year car...

6 people found this helpful.
26,715

These vehicles were never designed for really great fuel economy. I knew a few people who had them and complained about it when they were only a couple of years old... look, they have a relatively large V6, they're very heavy and not too aerodynamic... what do you expect...? Tire pressure?? All cars should have the appropriate tire pressure for their particular vehicle... And, finally, there's countless stories of cars that are "rated by the EPA" for better mileage that don't deliver in real world conditions".... And other stories where a manufacturer had to revise and apologize for making claims that could not be substantiated... SO, get over it and suck it up, you have a large utility vehicle that carries a lot of passengers... If you load up your Honda Odyssey with a full load of people, your mileage will even be lower!

Mark, I took my old 2004 Honda Odyssey on a 400 mile trip and got 25 mpg with 6 passengers and myself.... and this 2004 has 180,000 miles on it and was rated for 24 MPG. Arnie

64,135

I too have had Hondas that met or exceeded the EPA estimates. Under-inflated tires and a heavy foot are the most common causes of poor fuel mileage on a properly tuned and operating motor vehicle. As joemom said, your vehicle is right in the range of what others are getting. A good place to get an indication of what fuel mileage vehicles are actually getting is www.fuelly.com

I just bought a used 2004 odyssey well maintained. It runs very smooth, idle holds steady, nice power acceleration, tires are good, and it feels as it's well tuned. But so far as i can tell it gets horrible gas mileage without even carrying any load. I just put in $10 (aprox 3 gallons) gas when reserve light came on and then drove about 25 miles when reserve light came back on again. That works out less than 10 miles per gallon. Something is not right, maybe the gas gauge is not reading correctly below 1/2 tank. I may have to fill up to the top and base the mileage on the full tank (20 gal) to be sure on the gas millage. Though the few Honda owners I know have all said their Honda's get poor gas mileage in comparison to other equivalent Japanese cars.

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