"Cabin space" refers to the interior area of a vehicle or mode of transportation, such as a car, plane, or ship, where passengers sit or stand. It is the designated area where people are accommodated during their journey. Full definition
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There is plenty of cabin space for up to five people, and the trunk allows for plenty of cargo as well. (autolist.com)
Compared to its predecessor and competitors, the new model offers more cabin space and a larger cargo area whilst rear passengers will appreciate the additional rear legroom and improved access. (ausmotive.com)
There are, however, small gains in cabin space with front headroom growing by 12 mm. (motoring.com.au)