2014 GMC Sierra Denali Claims Top Towing Of 12,000 Pounds

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The GMC Sierra Denali is back for the 2014 model year, as General Motors revamps its entire full-size truck and SUV lineup, model by model. The first spin-off announced outside of the 2014 Chevy Silverado and the 2014 GMC Sierra, the latest Denali brings with it an option for a 6.2-liter V-8 with an estimated 420 horsepower, 450 pound-feet of...


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