Have you ever wondered whether a “demo” is considered a new car? Or how many test miles are too many for a car to be called new? You’re not alone. A reader of Ask.cars.com had the same question, and our crack research team produced the answer. Check it out below, and check Ask.cars.com each day for other need-to-know car queries, like what are low-profile tires. How many miles can a car have and still be called new?(Ask.cars.com)