I have reaed all the commits on this page and the answers are good! Take your time, even if it's the one car of your dreams. Being second had or used doesn't make it bad. But there's alot to work through.
1} ask if it's ever been involved in an acident. However, if he bought it used he may not know. Verify it by pulling a carfax.
2}Ask if you can take it to your mechanic and have it checked out.
3}Make sure the title is a good title,look at it carefully.Many cars that have been paid off by insurance companys do to hurricanes,floods etc.are being sold.
4} Check Kelly Blue book,Edmoundson,NADA for the value of the car. Deduct mileage, any repair work needed,then your have a better figure to go on to bargain with.
5) Also take in to account the type of vehicle, if it's a big SUV or pick-up and drinks alot of gas. Well the price of gas just goes up, causing the value of this type of vehicle to decrease some.
6) Check some of the reviews on line to see if any problems in that year has turned up. Some manufactures have had years where the transmissions were week.
7} You decide over all is this the car I could drive for the next 2 or 3 years. Does it have all the assecories I need,such as leather,satelite radio and etc.It's your new car, you have to be comfortable with it.