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Top-notch interiors to suit work or luxury use; extensive features and options; fuel economy; strong tow ratings
Top-notch interiors to suit work or luxury use; extensive features and options; fuel economy; strong tow ratings
Superior heavy-duty towing and hauling capability; class-leading design; powerful engine lineup; wide variety of configurations
Superior heavy-duty towing and hauling capability; class-leading design; powerful engine lineup; wide variety of configurations
Only a few major changes were in store for GMC in 2013. These included the Terrain getting a more powerful V6 engine and a new touchscreen interface with smartphone integration; and the Sierra 2500HD being offered with a new bi-fuel-compatible 6.0-liter V8 engine.