9,048 from the 80,000 who received the pack went on to test drive a vehicle - at an impressive response rate of 11.31%. Additionally, by comparing new car registration data to our mailing list, we were able to determine that 425 people who received the pack went on to purchase a new car during the promotional period. Based on the average amount of profit generated from the sale of a Fiat vehicle, these sales generated a profit of £425,000 – at an ROI of 4.17:1.