The phrase "boxy profile" refers to the shape or outline of something, like a building or a vehicle, that appears angular and box-like, rather than curvy or rounded. Full definition
Dimensions are more moderate than its brothers in arms, but the H3 exhibits the unabashedly boxy profile that Hummer fans praise and critics love to denounce. (kbb.com)
The styling was all new too, though the new Soul retained the same boxy profile and exuberant design spirit of the original. (consumerguide.com)
The Scion xB is a budget - priced 5 - passenger compact wagon with a very boxy profile that has recently had its corners softened slightly, but retains its highly identifiable overall look. (jdpower.com)