Cargo and
personnel capacity are combined as new crew-cab pickups expand options.
Maybe the passengers-plus-cargo-minus-excess-length equation explains some of the popularity of SUVs, which have even developed a significant commercial-use market. Where the SUVs are great for passengers and limited amounts of cargo, sharing the vehicle’s interior with some types of cargo is either undesirable or out of the question, and tall items are impossible to carry upright in the enclosed cargo area.