How do midsize SUVs stack up in the latest round of crash tests?
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The all-new 2014 GMC Sierra has undergone specific design changes to boost both fuel efficiency and interior quietness, after spending a major portion of its development time in a wind tunnel.
Consider it more evolution than revolution for GM's biggest trucks you can drive without a commercial license.
Detroit-based auto maker General Motors is in the process of redesigning its full-size light-duty pickup trucks.