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This time, Hyundai gets called out in home market of South Korea

Hyundai/Kia last caught flak in late 2012 with regards to inflated fuel economy claims in over 1 million vehicles. After being audited by the EPA, the company admitted that “errors” were made in its fuel economy calculations.
“Given the importance of fuel efficiency to all of us, we’re extremely sorry about these errors,” said John Krafcik, president and CEO of Hyundai Motor America, back in November 2012. 

2015 Hyundai Sonata
It appears that Hyundai didn’t learn its lesson the first time around (which cost is nearly $400 million), and has admitted to another “error” in calculating the fuel economy for its redesigned, home-market Sonata. Hyundai had initially stated that the revised sedan saw its fuel economy improve by 6 percent compared to the previous model. However, government testing showed that the improvement was only 2 percent.

The 6 percent improvement also seemed incredibly optimistic given that the revised Sonata is actually heavier than the model it replaces.
Hyundai has since apologized for the irregularity, stating that it is “very sorry for causing confusion.”

Sources: Reuters, Autoblog Green, Detroit News

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RE: "Error" my ass.
By niva on 3/18/2014 4:30:01 PM , Rating: 2
You still can't prove if it was intentional or not. The problem I have with EPA numbers is that they are not standard. These tests absolutely should be standardized IMO. They should create standard test courses that all cars must go through in as close to similar conditions as possible.

A closed cirucit loop can be used to amazing effects to calculate cruising MPG @ 75 mph for 1 hour and get very good numbers. A road course would be great for simulating race conditions for performance cars.

Anyways, good for the customers that they're happy. Hyundai is one of the most improved companies in the world over the last decade. I love the design of their new cars.

RE: "Error" my ass.
By docinct on 3/18/2014 5:41:29 PM , Rating: 2
" They should create standard test courses that all cars must go through in as close to similar conditions as possible."

I believe that is called a Consumer Reports road test.

RE: "Error" my ass.
By Alexvrb on 3/19/2014 12:34:36 AM , Rating: 2
Actually the EPA tests ARE standardized, and they were revised to be stricter and more real-world in 2008. Hence why a lot of models "lost" MPGs in 2008 - although you can use to compare pre-2008 models using the new estimates (they also show old sticker estimates). These revised tests generally provide pretty decent estimates of real-world results the average driver might see, especially compared to other testing methods deployed in other places.

The problem is that the EPA doesn't actually perform all of the testing themselves. They test a portion of models (engine/trans combinations) to make sure their results aren't way out of line. But the majority of the testing and reporting is done by the manufacturers themselves - in this case, Hyundai. The problem is when they don't follow the EPA testing procedures properly, or otherwise fudge the numbers.

So it's not the testing methods, it's the testers. I think the EPA should stop chasing the CO2 bogeyman and test all possible model/engine/trans combinations sold in the US. This should be in addition to manufacturers testing using the same methodology, to make sure the manufacturers aren't way off.

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