"To lower the roofline" means to decrease the height or level of the upper part of a building or vehicle, specifically the part that covers and protects the inside space.
Sentences with «to lower the roofline»
The prestige brand has settled on even numbers for its sportier models — the cars with lower rooflines and (frequently) fewer doors. (motoring.com.au)
At nearly five metres from tip to tail the Karma is almost the same length as a Mercedes S - Class, although its striking design and low roofline means its closer in spirit to «coupe saloons» like the Aston Martin Rapide. (evo.co.uk)
While the CLA is based on the A-Class hatchback, its relatively low roofline makes it less practical; if you like the styling but need more space, take a look at the CLA Shooting Brake estate, which we've review here. (carbuyer.co.uk)