utility vehicle 
(also utility truck)
noun
A truck with low sides designed for carrying small loads.Sport racing ATVs also have a lighter weight design than utility vehicles for quicker movements....
- This year, for example, Americans actually bought more petrol-guzzling trucks and sports utility vehicles than cars.
- Better a cheap and cheerful hatchback in today's urban environment than any number of overdressed sports utility vehicles or family van units with pointlessly detachable seats.