Looking for a vehicle that can handle rough terrain? You might have heard the term "locking differentials." We'll explain ...

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 ...

Tesla's Cybertruck off-road performance has been often mocked despite Tesla promoting it as an off-road-capable pickup truck. Although, in many cases, the blame was on the driver rather than the truck ...

One of the things that Tesla is known for, apart from its loud-mouthed CEO, is its cars’ ability to get better over time thanks to over-the-air software updates. Anything from throttle response and ...

We've seen some wrench benders in our travels, but Martin Barraza, the Drivetrain Direct technician in our photos, can disassemble an 8.8 axle about as fast as we can push the shutter on our Nikons.

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 ...

Part of a massive in-depth guide to the new M3 and M4 models, the guys from BMW released a new interview with one of the key people involved in the development of those cars, Mr. Bernd Jacob. He was ...

Not all limited-slip differentials are made equal. There are an infinite different variations using different combinations of clutches, bite points, and fluid. But which one works best for your car?

In garages, on trails, and around campfires, debate will always rage over what single modification is most effective in creating a capable 4x4. Is there one magic mod that can dramatically improve ...