2014 GMC Sierra Delivers Most Power – and Most Fun.
For 2014, GMC is one-upping the competition, with a new engine for its half-ton pickups that packs the most power of any engine option for any pickup. The 2014 GMC Sierra and its almost-identical twin, the Chevrolet Silverado 1500, can be equipped with a 6.2L V-8 that boasts a whopping 420 horsepower, to go with…
