In the United Kingdom, the system of “X reg” for car registration plates corresponds to cars registered between August 1, 1981, and July 31, 1982.
The UK’s car registration system uses a combination of letters and numbers to indicate the year and location of registration. The format for this period used the letter “X” as the prefix, indicating the registration period mentioned above. The specific number and letter combination following the “X” would provide more information about the location and sequence of registration within that time frame.
Keep in mind that registration plate systems can vary by country, and the information provided here pertains specifically to the UK. If you’re referring to a different country’s registration system, the “X reg” might have a different meaning or timeframe.