The categories on your license show what kinds of vehicles you're legally allowed to drive

The letters and numbers on your driver's license — like A1, B, B1, or B2 — are vehicle categories. They tell you which types of vehicles you can operate legally. Different countries use different category systems, but most follow a similar pattern: each letter or number combination covers a specific vehicle type, engine size, or weight limit. If you drive something outside your category, you're driving without proper authorization, even if you know how to operate it.

The system exists because different vehicles require different skills and pose different risks. A motorcycle handles nothing like a truck. A bus full of passengers requires training a car driver doesn't have. The categories make sure you've been tested on the specific vehicle type you're licensed to drive.

Key Takeaways

  • A1 licenses allow you to ride motorcycles up to 125cc with a maximum power output of 11 kilowatts, typically available to riders age 16 and up.
  • B licenses cover standard cars and light vans up to a certain weight, and are the most common category for everyday drivers.
  • B1 is a lighter motorcycle or moped category in some countries, with lower engine size and power limits than A1.
  • B2 is not a standard international category — what it means depends entirely on which country issued your license.
  • Your license will list every category you're authorized for, and you can only drive vehicles in those categories.

A1: Small motorcycles for new riders

An A1 license lets you ride a motorcycle with an engine no larger than 125 cubic centimeters (cc) and a maximum power output of 11 kilowatts (about 15 horsepower). Most countries that use this system allow A1 licenses starting at age 16. It's the entry point for motorcycle riders who are too young for larger bikes.

The 125cc limit is strict — your bike cannot exceed it, even if the engine produces less power. Some riders get an A1 license first, then upgrade to a full A license (which covers any motorcycle) once they turn 18 or 24, depending on the country.

B: Standard cars and light vans

A B license covers cars and small vans up to a certain weight — usually 3,500 kilograms (about 7,700 pounds) — and with no more than eight passenger seats. This is the category most people get when they learn to drive. It covers sedans, hatchbacks, SUVs, and pickup trucks that fall within the weight limit.

Some countries allow you to tow a trailer with a B license if the combined weight stays under a threshold. Others require a separate endorsement. Check your local rules if you plan to tow anything regularly.

B1: Mopeds and light three-wheelers

B1 is a lighter category than A1, used in some countries for mopeds and three-wheeled vehicles. The engine size is typically capped at 50cc with a maximum power of 4 kilowatts (about 5.5 horsepower). Age requirements vary by country but are often lower than A1 — sometimes as young as 14 or 15.

Not all countries use B1. If your license doesn't list it, it doesn't exist in your jurisdiction. B1 is most common in European countries that follow EU licensing standards.

B2: Varies by country

B2 is not a standard international category. What it means depends entirely on which country issued your license. In some places, B2 covers three-wheeled vehicles or motorcycles with specific power limits. In others, it doesn't exist at all.

If your license shows B2, check your country's or state's transportation authority website to find out what vehicles you're authorized to drive. The rules are local, not universal.

Other common categories you might see

Beyond A1, B, B1, and B2, licenses often include categories like C (trucks), D (buses), and E or BE (towing). Each country defines these differently. Some add subcategories like C1 (medium trucks) or D1 (minibuses). Your license document should list every category you hold and what it covers.

If you're unsure what a category on your license means, your local transportation authority can tell you. Many publish guides online, or you can call and ask.

What happens if you drive outside your category

Driving a vehicle you're not licensed for is a traffic violation in most places. You could face fines, points on your record, or license suspension. Insurance may also refuse to cover an accident if you were driving outside your authorized categories.

If you need to drive a different type of vehicle regularly — a truck for work, or a motorcycle for commuting — you'll need to take a test for that category and add it to your license. The process varies by location but usually involves a written test, a practical driving test, or both.

Frequently Asked Questions

Can I drive a car with an A1 motorcycle license?

No. An A1 license only covers motorcycles up to 125cc. You cannot legally drive a car with only an A1 license. You need a B license for cars. Some people hold both licenses, but they are separate.

What's the difference between A1 and B1?

A1 covers motorcycles up to 125cc with 11 kilowatts of power. B1 covers smaller mopeds or three-wheelers, usually capped at 50cc with 4 kilowatts of power. B1 is typically available at a younger age. Not all countries use B1.

Can I upgrade from A1 to a full A license?

Yes. Most countries allow A1 riders to take a test for a full A license (unrestricted motorcycles) once they reach a certain age, usually 18 or 24. You don't need to retake the A1 test — you just take the A test and your license is updated.

Does my B license let me tow a trailer?

It depends on your country and the weight of the trailer. Some places allow B license holders to tow up to a certain combined weight without extra authorization. Others require a separate endorsement. Check your local transportation authority's rules.

What if my license lists a category I don't recognize?

Contact your local transportation authority — the DMV, DVLA, or equivalent in your area. They can tell you exactly what vehicles that category covers and whether you need it for your situation.