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UK Car Insurance Groups

Car Insurance Groups Explained

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What are car insurance groups?


Each car make and model is assigned to an insurance group between 1 and 50 in the UK. Insurers use these groups as a guide for how risky each car is to insure. Typically, cars in lower insurance groups will pose fewer risks, and be cheaper to insure. 

Understanding a car’s insurance group can help you make more informed buying decisions. It’s especially important for young or convicted drivers who already face higher average insurance costs in the UK.

It’s also an important consideration if you are shopping for a car, as the insurance group will impact how much you’ll pay for insurance in years to come.

How do car insurance groups work?

A range of risk indicators are assessed when sorting a car into an insurance group. These include:

The car’s value

More expensive cars generally fall into higher groups, as they cost more for the insurer to repair or replace.

Engine size and performance

Larger engines, faster acceleration, and higher top speeds are all considered riskier to insure.

Repair time and cost of parts

Imported cars or classics could need specialist parts that are harder to source, placing them in higher groups.

The standard manufacturer’s safety and security features

Advanced safety systems can lower theft or vandalism risks, placing cars in lower groups.

What do insurance group letters mean?


Some cars will have an additional letter alongside their insurance group number. These all have their own meanings which could affect your insurance costs. 

Insurance group letterMeaningImpact on insurance costs
AAcceptably meets security requirementsSlightly lowers insurance ranking compared to D cars in the same group.
DDoes not meet security requirementsSlightly increases the insurance grouping.
EExceeds security requirementsAlso lowers the cars ranking below an ‘A’ car in the same group. 
UProvisional groupingThere is not enough data to confirm the grouping, so it could change in future.
PUnacceptable security levelPlaces the vehicle higher than one in the same group marked ‘D’.
GGrey imported vehicleThe vehicle was built outside of Europe and the exact grouping needs to be assessed.
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Car insurance groups list: What you need to know

Although insurance groups are just one of many factors that insurers consider when setting insurance premiums, they are an important one. Knowing where your car falls in the list of groups for car insurance can give you some idea of what to expect when it comes to your insurance costs. Here’s a general overview of how cars are grouped:

Group 1-10

These are typically cheaper cars, with small engines that include compact city cars and models that are popular with new drivers.

Group 11-20

These can include mid-range vehicles, or typical family cars with slightly higher repair costs while still being affordable.

Can my car’s insurance group change?

Car insurance groups in the UK are regularly reviewed by Thatcham and the associated Group Rating Panel. Your car’s insurance group could change over time as its value and repair costs fall, or as the security features become outdated.

Are electric car insurance groups lower than petrol or diesel cars?

Not as a rule. The insurance groups of electric or hybrid cars are decided based on the same metrics as petrol and diesel cars. So where electric vehicles can have advanced security measures, they could also be more expensive to repair. It really depends on the individual car.

How do I know my car’s insurance group?

If you have not bought your car yet, you can find out through the car dealer. Otherwise, your car’s insurance group is often outlined in your V5C logbook. There are also a range of reputable websites that will go into detail outlining the insurance group of the make, model, and year of your exact car.

Compare car insurance for a range of insurance groups at Quotezone.co.uk

At Quotezone.co.uk, we help you compare car insurance quotes from over 120 UK providers. Whether your car is in a lower or higher insurance group, we give you access to a range of insurance policies that have been matched to you and your car’s insurance needs. Filter and sort quotes instantly to find a better deal on your car insurance. Comparing quotes for different UK car insurance groups lets you easily see how the group affects your premiums. So, whether you’re looking for comprehensive, third party, or third party, theft and fire car insurance, we can help you find the right coverage.

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