Overstated MPG Claims By Hyundai

Estimating MPG with Laboratory Tests

Estimating MPG with Laboratory Tests
The U.S. Environmental Protection Agency (EPA) recently discovered that Hyundai and Kia issued incorrect mileage estimates on fuel consumption for about 900,000 vehicles sold since late 2010. The mileage on most vehicles where off by 1 to 2 MPG. The largest difference was found for the Kia Soul, where the difference was 6 MPG on highway.

Fuel economy is measured under controlled conditions in a laboratory using a standardized test procedure specified by federal law. Manufacturers test their own vehicles and report the results to EPA. EPA reviews the results and confirms about 10-15 percent of them through their own tests at the National Vehicles and Fuel Emissions Laboratory.

You will typically find MPG estimates on the window sticker. The estimates will give you an idea about the fuel economy under different driving conditions. It is often a major factor when deciding what car to buy.

Hyundai admits the errors and calls it a procedural error at their testing operations. They will compensate buyers for the wrong information.

Affected models include 2011 Elantra and Sonata, 2012 Accent, Elantra and Genesis. For a full list, click here

Kia models include 2011 Optima, 2012 Rio, Sorento, Soul, and Sportage. For a full list, click here

If you are an owner of one of the affected models, Hyundai plan to reimburse you for additional fuel costs incurred to date, and in the future.

EPA ratings are a useful tool for comparing the fuel economies of different vehicles. Your actual mileage will still vary.

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