A good running 2017 Chevrolet G3500 modified cube van. It was an ambulance.
It has 5 height adjustments. Also the comfort or sport firmness adjustments. Inside and back-up cameras. Emergency sound system has been disabled. Flashing lights also disabled. But the white exterior lights works. There are 3 built-in batteries to support the 110V power system through out the back bay.
Recently changed oil and filter.
300k kms. Brakes work great. No issues with engine or transmission.