It was an impressive showing for General Motors (NYSE:GM): GM was the big winner in the latest JD Power Initial Quality Survey, taking eight segment awards and placing all four of its brands in the top half of the field.

But will it last? In this video, Fool.com contributor John Rosevear looks at what the famous quality survey really measures – and at why GM's time as America's quality leader might not last for very long.

Fool contributor John Rosevear owns shares of Ford and General Motors. The Motley Fool recommends Ford and General Motors. The Motley Fool owns shares of Ford. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.