Ask the seller lots of detailed questions about the car. Have the car inspected by your mechanic before you agree to buy it. Buying from a Dealer Check the complaint records of car dealers with your state or local consumer protection agency or Better Business Bureau. It gives information on warranties, if any are offered, and provides other information. Have the car inspected by your mechanic before you agree to buy it.
Some states have laws giving extra protection to used car buyers.
Contact your state or local consumer protection office to find out what rights you might have. Buying a New Car Evaluate your needs and financial situation. Read consumer magazines for performance, service, and safety ratings, and test drive several models before you make a final choice. Find out the dealer's invoice price for the car and options. This is what the manufacturer charged the dealer for the car, not counting any rebates, allowances or other incentives that reduce the cost to the dealer.