Some modern trucks and SUVs have a drivetrain mode called 4WD Auto. What does this mode actually do, and how does it work?

It may look and sound similar, but there are some big differences between all-wheel and four-wheel drive systems. This is ...

Full-time four-wheel drive is one of those annoying things that’s great to have until you really need it. At that point it stops working, unless you undo one of the things that lets it work well the ...

AWD and 4WD sound similar in name, but they are very different. AWD is always active on most vehicles, while 4WD can be customized depending on the situation. A lot of people use the terms four-wheel ...

A four-wheel drive version of a two-wheel drive car will add a propshaft and differential to the formerly passive axle - but how that drive is added is the biggest factor in choosing a 4x4, whether it ...

The distinction between all-wheel drive (AWD) convenience and true four-wheel drive (4WD) capability has often been the defining aspect for the discerning adventurer or someone who understands the ...