1. find the paint and body repairs. Evidence could mean bodywork has been in a car accident.
2. check fluid leaks. Any leaked fluid, from oil to the windshield washer, could mean a car needs an expensive repair.
3. See the machine. If the sound is smooth or rough? Whether it’s smoking excessively?
4. Evaluate the overall wear and tear on all parts of the vehicle. Do wear a commensurate with the age and mileage on the vehicle?
5. car has been driven by a person who smokes in it? Transported pets or small children in it? All things can be left in a vehicle-odor smell you may have to live with it or go to great lengths to get rid of as the new owner.