01/13/2012 09:47 am ET Updated Mar 14, 2012

Is The New 'Car Of The Year' Hiding Something?

"Car of The Year," and the brand with the highest customer loyalty. But it has its detractors too.

The Korean automaker stole headlines at Detroit's auto show when its compact Elantra garnered North American Car of the Year honors--beating out new models like Toyota Camry, VW Passat and Ford Focus--to the surprise of many attendees. Then, J.D. Power released a study that ranks Hyundai first in customer retention rates among 33 automotive brands.

But the awards have rekindled debate about whether Hyundai's fuel-efficiency claims on the newly popular 2011 Elantra model meet reality.

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