Are 4D Number Plates Legal in the UK? Everything You Need to Know

If you’re considering 4D number plates, you might be wondering: Are they legal on UK roads? Let’s clarify the rules to ensure you stay compliant while upgrading your vehicle’s style.

Are 4D Plates Road Legal?

Yes, 4D number plates are fully road legal in the UK, as long as they meet BS AU 145e standards set by the DVLA.

To be legal, a 4D number plate must:

• Use black characters with no excessive tinting.

• Have a reflective white (front) and yellow (rear) background.

• Follow the correct font and spacing requirements.

Common Misconceptions About 4D Plates

• “All 4D plates are illegal” ❌ → False! Only non-compliant variations (e.g., tinted or incorrectly spaced plates) are illegal.

• “MOT tests will fail 4D plates” ❌ → Not true, as long as they comply with BS AU 145e.

Upgrade to road-legal 4D Number Plates today!