CUV
noun
ˌsē-(ˌ)yü-ˈvē 
plural CUVs
: an automotive vehicle that is similar to a sport utility vehicle but built on a car chassis
Because CUVs tend to be lighter, and aren't designed to tow or haul as much, they can use smaller engines and provide better fuel economy than truck-based SUVs do.
James R. Healey
James R. Healeycalled also crossover, crossover SUV
Word History
Etymology
probably originally Compact Utility Vehicle, later also construed as Crossover Utility Vehicle
First Known Use
2000, in the meaning defined above