Top 8 Best Rooftop Cargo Boxes Installing a rooftop cargo box is the vehicular equivalent of donning a backpack before heading into the woods. Its extra space either frees up other areas of the car ...

There are three basic types of cargo boxes, each of which requires a roof rack — an additional cost of $200 to $300. To pick the right box, begin with what you want to carry. — Wide Sport Boxes. These ...