GM-(NYSE:GM)owned Chevrolet and GMC debuted their redesigned 2014 Silverado and Sierra 1500 pickups today. According to a company press release, the companies' newest models are designed to be "the most refined, best engineered full-size pickups in the market."

According to Mark Reuss, President of GM North America:

The new Sierra and Silverado are more differentiated than ever in unique features and materials, in their standard content and in their design and details. These are two strong and distinct brands – each one appealing to a different kind of customer.

In addition to aesthetic overhauls and comfort improvements, the new models sport "EcoTec3" engines that can switch to four-cylinder mode to improve fuel efficiency. 

In Q3 2012, trucks accounted for 59% of total North America sales, in terms of vehicles sold. GM sold 447,000 trucks in Q3 2012, down 5.5% from Q3 2011's 473,000. 

For more information on GM's new releases, visit

Justin Loiseau has no positions in the stocks mentioned above, but he does wanna know if those thangs'll got hemis. You can follow him on Twitter, @TMFJLo, and on Motley Fool CAPS, @TMFJLo.

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