Hyundai has acknowledged inflating mileage figures of the 2015 Sonata in publicity material given to the press.

Hyundai has acknowledged inflating mileage figures of the 2015 Sonata in publicity material given to the press.

If this sounds a wee bit familiar, that's because Hyundai did the same thing for eight models from 2011-2013MY and in the end had to pay an average of 353 USD to each owner of the 600,000 cars affected by the mislabeling. Now, Hyundai has done it again because they said the all-new Sonata can return 29.6 mpg US (35.4 mpg UK or 7.9 liters / 100 km) but government tests say it actually does 28.4 mpg US (34.1 mpg UK or 8.2 liters / 100 km).

Hyundai specifies it wasn't a deliberate mistake as they only wanted to point out the car's six percent improved fuel economy despite the added weight of the Sonata for which order books have already opened. It's set to go on sale in South Korea later this month so an official unveiling is imminent.

In a statement issued today Hyundai said "we are very sorry for causing confusion to reporters" and admits it "may have a short-term impact on its reputation."

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