big rig truck
The red truck on the outside scenes is a kenwoth w900 but when interior shots are shown it is clearly the interior type of a freightliner Columbia or century class.
shareIt's obvious.
Serious spoiler alert!!!
It was recreated from imperfect observations in order to lend realism
to the scenario.
They recreated things from imperfect observations.
Did you not notice that the toilets didn't have any interior walls, or that the food packaging was empty?
The exterior landscape was designed to be the second part of the test.