I want to buy a gently used 2016 audi a6 for my daily driver car. When I searched online with auto trader and true cars for it, I see a dealership have 3 of them with similar mileage. I wonder who will buy a 2016 a6 and just drive it for 7000 miles and sell it back to dealership, it doesn't make sense from financial point of view. My father said that they sold the car with suck low mileage and likely new because the car might have major engine or safety problem. He don't recommend me to buy it. I have no experience with buy used car, can anyone help me out. The price of the 2016 a6 used(7337 miles) is 45,500 which it is $2000 higher than kbb's price. The only concern for me is that the car might have major issues so the 1st owner wants get rid of it, if so that won't be a good choice to buy the car. What else I should looking for?