The 2014 Chevrolet Silverado 1500 and GMC Sierra 1500 will be the most powerful trucks on the road, when a new V-8 engine debuts this fall.
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Information about General Motors’ future production plans have emerged thanks to details of the tentative pact the company is finalizing with the United Auto Workers.
Here is final powertrain information for GM's new midsize trucks.
Consider it more evolution than revolution for GM's biggest trucks you can drive without a commercial license.