When purchasing or renewing a comprehensive car insurance policy, one of the most critical factors is the insurance declared value (IDV). Your insurance premium and the possible payout in case of a loss or theft depend on your IDV. If your car is stolen or has severe damage, your IDV is the largest amount your insurer will pay out for you. It is what your car is worth today, with declining value due to passing years taken into account. A dropping IDV is a natural consequence of an ageing vehicle,