Many dedicated off-roader fans prefer to build their rigs from scratch, opting for more basic stock trucks, then upgrading them with varying degrees of intense aftermarket parts. This can be a great ...

The Sierra AT4 is powered by two electric motors – one each at the front and rear, which allows for four-wheel drive. There is also four-wheel steering and a crab-walk function that allows you to ...

GMC pitches the Sierra EV as off-road capable in its AT4 guise, but that proves tricky for this large and heavy truck. Long range, relatively fast charging speeds, the ability to extend its cargo ...