‘Some person—not some robot—has painted this car’: Cadillac mechanic shows what to check before buying a new car

Purchasing a car in the current market can make finding a good deal on a vehicle feel like pulling a diamond from the rough—as long as everything is as good as it looks.

High interest rates have driven up the cost of borrowing to purchase a vehicle, and those looking to purchase vehicles with cash in hand have to contend with supply and manufacturing shortages when looking for a vehicle that fits their budget.

One of the things a used car salesman—or simply someone looking...