Clearly You have a passion for something if you took the time and money to personalize your license plate.
Therefore, it is going to matter whether or not you can transfer your personalized license plate when purchasing a new vehicle.
Can A Personalized License Plate Be Transferred To A New Car?
Most standardized plates transfer upon the car sale.
Most likely, when buying a new car, you need to contact the DMV and bring your old plates to have them reissued to another driver.
However, if you have a personalized license plate, just simply notify the DMV and bring your plates with you.
So in short, yes, you can most certainly keep your personalized license plate and have them transferred to your new car.