Q Can I decide when to switch 2WD to 4WD? Are there any manufacturers still making cars that allow the driver to switch between 4WD and 2WD by moving a lever or dial? **Peter Miller, via e-mail Most ...

Tim, we get the draw of this swap, and we get plenty of 2WD-to-4WD swap questions in general, but the answer isn't always easy. There are several parts that are different between the 2WD and 4WD ...

Trucks and SUVs with a four-wheel (4WD) or all-wheel (AWD) drivetrain have an advantage over two-wheel-drive (2WD) vehicles in carrying heavy loads, off-roading, or driving in wintry or inclement ...