If a seller refuses to let you take the car to a mechanic for a PPI, walk away. A transparent seller has nothing to hide.

Shifts should be smooth. Hesitation or "clunking" during gear changes is a major red flag.

Uneven wear can signal alignment issues or worn suspension components. Check the "DOT" code for the tire’s age—rubber older than six years should be replaced regardless of tread. 3. Under the Hood Fluid Levels & Quality:

Look for uneven gaps between doors, fenders, and the hood. Misalignment often indicates prior accident repairs.

Use services like CARFAX or AutoCheck to check for accidents, title brands (Salvage/Rebuilt), and service records.