The GMC Sierra HD line of heavy-duty pickups was reengineered for 2011, with a new frame, new front and rear...
Once upon a time, St.
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Detroit-based auto maker General Motors is in the process of redesigning its full-size light-duty pickup trucks.
Turns out, hybrid cars save lives as well as gas: a boon for those who already own them, undoubtedly.
Consider it more evolution than revolution for GM's biggest trucks you can drive without a commercial license.