Starting with the Series I, the rugged post-war off-roader that slowly evolved into the Defender of today, these trucks have been in production for 68 years. All that ends today.
The GMC brand celebrates its 100th birthday this year, and the 1912 New York Auto Show is where it all started. To commemorate the occasion, General Motors' utility brand has created special Heritage Edition packages for both the Sierra pickup and Yukon sport-ute, and both make their public debut here at the 2012 New York expo.
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