NASCAR engineer Seth Dillard uses real-world aerodynamics software to prove Lightning McQueen's smile is actually a drag.

Skip the chocolate and fill the tree with car bits. This 2025 Car Advent Calendar dishes out 24 miniature ornaments, shaped like pistons, turbos, wrenches, and spark plugs, with a metallic finish.

From the January 1999 issue of Car and Driver. Yes, it's a pickup truck. And yes, it's the main feature on this month's cover. That has never happened at Car and Driver. May not happen again. So why ...