The TopKick was a truck made to carry out heavy-duty tasks like towing large items. It even got the Caterpillar engine from ...

So, GM's got the bragging rights... for now. We expect Ford and Ram to counter GMC's latest statistics with revised ratings of their own, after a few small tweaks allow them to earn back their ...

But now, revised tow rating practices have been put into place, called SAE J2807. And with these new methods of testing, GM can now officially rate both the Silverado and its GMC Sierra twin as ...