New car's insurance will be higher than the used one, the insurance company determining the rates by the car's Value, so keep that in mind when pick your next car. The other facts also include the type of car, like 2 doors sport car will cost more than 4 door, even car's color, red color will be a slightly more than other color. You can read more here:http://www.carsinsurancetips.com/car-insurance-cost.php. After you pick your cars, try to get quotes online from different companies, it can save you some money.
Hope it helps!
Kity