An equivalent gasoline model has about 1,500 lb (680 kg) less towing capacity. Payload capacities are similarly varied according to the van’s configuration, with the smaller models having payloads ...

For those unfamiliar, a trailer brake controller (TBC) is an electronic gizmo that triggers the electric brakes on a trailer. Most pickups and many jumbo-size SUVs now offer factory-installed TBCs, ...