The phrase "swage line" refers to a distinct line or ridge, usually on the side of a car, that separates different sections of the vehicle's body. It is a design feature that gives the car a more stylish and dynamic look. Full definition
And it links up with the prominent swage line running alongside it, through the door handles and into the rear, to create a dynamic wedge shape which captures the forward - surging urgency of the BMW 2 Series Convertible. (topspeed.com)
Styled by Marc Lichte, who was also responsible for the design of the sixth - generation model, there is no doubt about its identity despite a newfound edginess to detailed features, including a prominent swage line running beneath the door handles. (autoweek.com)
It has a more rounded, coupe - like roofline than the current Impreza sedan, and even despite the camo tape we can see a dramatic swage line running along the doors. (automobilemag.com)