Consumer value is a tool to measure the prolonged satisfaction and an on going propensity to buy the products and services. The consumer value concept is utilized to assess product performances and eventually to determine the competitive market structure and the product market boundaries. The consumer value may be measured as the product efficiency viewed from the consumer’s perspective, i.e., as a ratio of outputs (e.g., resale value, reliability, safety, comfort) that consumers obtain from a product relative to inputs (price, running costs) that consumers have to deliver in exchange. The efficiency value derived can be understood as the return on the consumer’s investment. Products offering a maximum consumer value relative to all other alternatives in the market are characterized as efficient.