The above is the definition from Baidu.com.
Below is my list of some models, but it is not exhaustive.
Like the money car, garbage trucks, refrigerated trucks, mixer trucks, catering trucks, shower trucks, decontamination trucks, surveying and mapping trucks, security trucks, repair trucks, rescue trucks, water supply trucks, lighting trucks, gas supply trucks, clearing trucks, road sweeping trucks, sprinkler trucks, explosion-proof trucks, green maintenance trucks, road maintenance trucks, command trucks, publicity trucks, sightseeing trucks, etc.
This is the definition of Baidu's "car", but it is not an exhaustive list.