The 2016 GMC Sierra HD lineup is equipped with the Eaton Locker automatic locking rear differential, and it comes in handy during times where getting traction can be difficult. It’s what GMC refers to ...

While locked differentials and LSDs both provide amazing grip, they behave very differently in the corners and are used for ...

The pickup truck has long been a staple of the American workforce. The truck has jobs to do, things to haul and places to venture through. Some of those places can include slushy snow and mud ready to ...

These seven current civilian 4x4s show how far factory off road engineering can go, from the G 550, Grenadier, GX Overtrail, Bronco Raptor, Wrangler Rubicon X, Defender 110, and Hummer EV SUV 3X to ...

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It’s the little button marked with an 'X' and an axle, usually positioned near the gear shifter that most suburban drivers will never use in the life of their car - still, we all love to know that we ...

Bigger tires and a lift kit are the first two modifications most people make to their 4x4s. But after they've gotten the look they want, they find out that even with aggressive tires their truck still ...

Four-wheel drive can be a lifesaver in rough road conditions, but it's not magic. Using your truck or SUV's 4WD mode wrong ...