My car is getting 10-12 mpg per gallon in city driving, well below the 22 mpg advertised on the sales sticker. the dealership said there is nothing wrong with the car and by some kind of magic during the summer returned the car showing it got 17-20 mpg. I don't believe it. Corporate ignores me. What do I do?
Hi, sounds excessive to me. For comparison my 2003 2litre petrol gives average 29mpg no matter how or where I drive it. You need to check over 4 to 5 tank re-fills (don't count the first tank-full) Just a guess, but is the 4 wheel drive permanently engaged?
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There are many things that could conspire to rob mileage. My first thought was possible transmission slippage. Although your city rating is horrible, the highway mileage is just a little off. 23-25 hwy is correct, 23 for lousy doped California gas, and 25 elsewhere. My guess is that you have slippage but above 45 mph, you are still getting advantage once the converter lock takes effect in overdrive. Just slippage until you reach that lock point.
Start with a full diagnostic of all stored codes in the ODB II computer, both for the engine and the transmission, then an evaluation of your transmission from a good shop.
Good luck, the Equinox is a darned good car,and worth the effort.
You would need to check with a local garage for repair prices.
To find your average mileage, fill up the tank, write down the mileage, then do it again at around 200 miles. Divide the mileage traveled by the number of gallons used. I would recommend filling up after you have used about 8 or 9 gallons to prevent running out of gas. You can't go by the federal mpg numbers because everybody drives differently.
The Fuel Economy of the 2004 Hyundai Santa Fe is listed as being 16 mpg in the city and 22 mpg on the highway.---------------------------------------------------------------------------------- Digiprog3 Odometer Correction Tool
One tank of gas is not enough to compare mileage. Or are you saying the computer's readout of mpg estimate is showing less? Try a tank or two of premium and see if that helps. Keep track of gas mileage. Driving techniques have a lot to do with gas mileage, as does long trips vs. short trips, highway cruising vs. city driving. For best mileage, do regular maintenance and keep the car in top running condition-good spark plugs and clean filters and clean oil ! Attend to minor problems before they escalate. If you want to check actual miles per gallon, start with a full tank. Write the odometer reading down, and go. Everytime you put gas in, write down the amount. When you are close to 1,000 miles from the time you started, go fill the tank and include that amount of gas to your previous list. Now add up all the gas used and divide it into the miles to get miles per gallon. (976 miles/31.8 gallons = 30.69 mpg ) . Only one tank will skew your numbers, might be off cause the tank was filled more to the top than the previous fill-up. About a thousand miles of driving will give you a very accurate figure of miles per gallon for your car.
Driving habits can cause the average mpg to be lower.
Also, note that highway mpg are higher than the city mpg.
And, the posted average mileage is no guarantee that your car
will get that good mileage per gallon
That being said, it's a good idea to have tuneups performed
periodically, or to have an engine analysis performed at your dealer
or local auto service center so that you can determine what parts
need to be replaced to get optimal mileage per gallon.
Do you normally accelerate quickly from stopped? You can increase your cars mileage by cutting down on rapid starts and stops. A comparable Honda Accord Hybrid rated at a higher 25city 37 hwy MPG rating achieves less than 22mpg when driven HARD