Knowing how to sell an unregistered car starts with separating the sale from permission to drive it. A car can still interest a buyer when its rego has expired, but you need to explain its condition, check its licence status and agree on transport before handing it over. A sound second-hand car may suit a private buyer prepared to organise …

To calculate your damaged car’s worth, start with what an equivalent undamaged vehicle would realistically sell for, then account for repairs, uncertainty and the buyer’s intended use. Compare that estimate with actual offers for the car in its current condition. There is no reliable percentage you can deduct for every dent or collision. A car with cosmetic damage and a …