First drive: 2017 GMC Sierra 2500HD Duramax

2017 GMC Sierra 2500HD DenaliIt’s easy to say that it’s not about the score when you’re down a few points. In General Motors’ case, the new-for-2017 turbodiesel V-8 that’s optional on its full-size pickups comes up a little short on torque compared to the equally new Ford F-250. But is there really a difference between the 910 pound-feet the GMC Sierra HD’s 6.6-liter V-8…
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