Dimensions for the 1990 HSV Commodore are dependent on which body type is chosen. The maximum width and height is 1812mm x 1403mm and can vary on the basis of model.

The 1990 HSV Commodore has maximum towing capacity of 1590kg. Some models also offer heavy-duty or towing option packs which can increase towing capacity, as well as options which can hamper towing capacity. Towing capacities can vary wildly on a large number of factors. These include engine, transmission, model, and options chosen. Always check with the manufacturer or in your vehicles handbook before attempting to tow anything.

Fuel consumption for the 1990 HSV Commodore is dependent on the type of engine, transmission, or model chosen. The HSV Commodore currently offers fuel consumption from 15.0L/100km.