The GMC Terrain has been one of GMC's best-selling vehicles since its inception back in 2010 and the Detroit-based auto maker is looking to continue that trend.
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We've already sampled the 2014 Chevrolet Silverado, but its upmarket twin, the 2014 GMC Sierra made its official debut today.
Here is final powertrain information for GM's new midsize trucks.
For the new model year, GMC is upgrading two of its top vehicles.