MOT – the ultimate guide

In the UK, by law, every car over three years old needs an annual MOT check. You also need a valid MOT certificate to drive legally on UK roads.

But what’s it all about? Our MOT ultimate guide covers exactly that.

The MOT test is a bit of a mystery to many car owners. Every year you leave your car at a garage or test centre, then sit, wait, and hope it doesn’t mean a big repair bill. It’s rarely something to look forward to.

Understanding MOTs matters when it comes to buying, selling, transferring ownership, and driving your car safely.

Without a valid certificate, you could face a fine. It also has a big impact on the price when you’re buying or selling a car.

So our guide to the MOT explains why it exists, what testers check, and how to deal with problems like losing your certificate.

We’ll also give you tips to save money by checking for simple MOT failures yourself, and help you find the right test centre. We call it the ultimate guide to the MOT for good reason.

So why is the MOT test so important?

• MOT explained / MOT rules 2021
• Which cars are exempt from the MOT test?
• How do you check your MOT history
• How to check any car’s MOT history 
• How do you check when your MOT is due?
• How your MOT affects car tax and insurance
• How much does an MOT cost?
• How to find a local MOT centre or garage?
• How to sell a car without an MOT
• What fails an MOT in 2021? Common reasons for failing
• Top tips to pass your MOT

What is the MOT?

The abbreviation MOT stands for the Ministry of Transport, the government department responsible for the roads when the MOT was first introduced in 1960.

Back then, an MOT test was only required after a car was 10 years old. That’s been reduced a lot since 1960, and the list of checks has grown over time.

The purpose of an MOT is to check the safety, roadworthiness, and exhaust emissions of the vehicles on UK roads. It covers everything from small motorcycles under 200cc to the biggest lorries. It’s designed to help prevent you from driving a car with a potentially dangerous fault.

In May 2018, the government introduced tougher new measures for MOT tests. By the end of that year, more than one million cars had been labelled ‘dangerous’. The tests are not getting any easier.

How do you prove you have an MOT?

When your car passes its MOT test, you’ll receive a VT20 MOT test pass certificate. The design changed in May 2018 to a new A4 layout that lists any faults and defects more clearly.

If the MOT computer system isn’t working for any reason, an MOT tester can fill in a ‘Contingency MOT test certificate’. If your car fails, you’ll be given a VT30 MOT test failure certificate instead.

You can see samples of all current and previous MOT pass certificates here, and samples of failed MOT test certificates here.

Replacing a lost or damaged MOT test certificate

It’s important to have a current, valid MOT certificate. So if you lose or damage your paperwork, it’s wise to get it replaced as soon as possible.

You can get a replacement MOT test certificate from any MOT test centre. You don’t need to go back to the place that originally performed the MOT.

Give them the vehicle registration details and the V5C logbook reference number, and they’ll give you a replacement document. It can cost £10 or half the full MOT test fee, whichever is smaller.

You can check the current MOT status and history of cars online, but you can’t order a replacement MOT certificate that way.

What does an MOT check?

The MOT test checks various parts of your car against the minimum standards set by the Driving and Vehicle Standards Authority.

The tester checks that the Vehicle Identification Number (VIN) is present and legible. They also check that your number plate is secure, legible, and in the correct format. The test then covers:

• Lights
• Steering and suspension
• Wipers and washer bottle
• Windscreen
• Horn
• Seatbelts
• Seats
• Fuel system
• Emissions
• Bodywork
• Doors
• Mirrors
• Wheels and tyres
• Brakes

According to gov.uk, the legal minimum tyre tread depth is 1.6mm for cars, measured across the central three-quarters of the tyre and around its full circumference.

Many of these are quick and easy to check yourself before your MOT. That way you can avoid paying for a retest or repairs over something small, like a faulty bulb or an empty washer bottle.

Which cars are exempt from the MOT test?

Some cars are not required to take MOT tests. This means you can avoid the annual check if your car is either very new or very old.

• Cars less than three years old from the date of manufacture or registration. These are usually new cars under warranty, so they don’t need testing.
• Classic cars manufactured or registered 40 years ago or more that have not been ‘substantially changed’.

If you own a historic vehicle and you’re not sure whether you need an MOT, it’s worth reading the Department for Transport guidance. They also link to the Federation of British Historic Vehicle Clubs for expert advice on your make and model.

You’ll need to fill out an MOT exemption form (Form V112). You’ll also complete it to either buy your car tax or apply for an exemption.

Being exempt does not mean a historic car can be driven in any condition. The law still requires you to keep it roadworthy, or you risk the dangerous-condition penalty we cover below.

How do you check your MOT online?

Lots of websites now let you check your MOT status for free online, including the DVLA itself. You can use them if you’ve lost or misplaced your certificate and need to check when your MOT is due. They’re also handy when you’re researching a car purchase and want to know if it has passed.

Trusted third-party websites offering MOT status checks include Confused, Halfords, Regit, and the AA, and there are many more. The best ones also include the manufacturer service schedule if available.

All of these services let you sign up for reminders, so you don’t miss your MOT date by mistake. All you need is your registration number, or the number plate of any car you’re thinking about buying.

Let’s focus on the official MOT checker.

The Government MOT checker from the DVSA

The Gov MOT checker service includes both your MOT and vehicle tax details, as stored by the DVLA and DVSA.

Just enter the registration details and confirm the type of car it finds. You’ll then see a detailed description of the vehicle, along with the MOT and tax due dates.

It also includes the year of manufacture and registration.

How do you check your MOT history?

As with the current MOT status, it’s easy to find services offering the MOT history of a car. For example, both HPI and the AA offer historical records. For the AA, you’ll need to sign up to their email service to get access.

As an alternative, you can check both MOT history and future dates with CarGuide for free. Or you can go straight to the source by accessing the DVSA details directly.

Gov MOT history checker

By going to the Gov.uk MOT history checker, you can view results for tests performed in England, Scotland, or Wales since 2005. You only need the registration number of the car. The results are added when the MOT test centre uploads them at the end of a test.

You can then see all historic test results, including MOT passes and fails. So you can see what minor defects might still be present, and what has caused a car to fail in the past.

You can also access the location of each MOT test if you have access to the V5C number from the logbook.

How do you check when your MOT is due?

According to gov.uk, driving without a valid MOT can mean a fine of up to £1,000. There are no penalty points and no ban for that offence on its own.

It’s a separate, more serious matter if your car is in a dangerous condition. According to gov.uk, driving in a dangerous condition can mean a fine of up to £2,500, three penalty points, and a possible driving ban. That applies even if your MOT is still in date, so it’s well worth making sure you don’t miss your MOT date.

That’s before the implications for your insurance cover, which can vary, or other complications.

You can check the due date on your VT20 MOT pass certificate, or by using the online services, including the Gov MOT checker. Don’t rely on memory alone.

Every site, including Gov.uk, offers a reminder service. The Gov.uk reminder service will text or email you one month before your MOT is due. It sends another reminder two weeks before the date if you still haven’t had your car tested.

If you’d rather not share your email address or mobile number, just add the MOT date to whatever calendar you use.

How your MOT affects car tax and insurance

A valid MOT pass certificate isn’t just needed to drive your car legally on public roads. It’s also required for other services, including your car tax and insurance. So forgetting your MOT can have a knock-on effect on everything else.

Do you need an MOT to tax your car?

A valid MOT is required for taxing your car online or at the Post Office. If you’re not driving or taxing your car because it’s off the road, you should declare a Statutory Off Road Notification (SORN).

The biggest complication comes when your road tax and MOT are due at the same time, and the tax runs out before the MOT pass.

So it’s worth taxing your car slightly earlier to avoid a clash. You can also get an MOT up to 30 days before the due date. Otherwise you may be able to drive to the nearest test centre without an MOT, but you’ll risk not having valid road tax.

Do you need an MOT to insure your car?

If you’re driving your car on the road, you’ll need a valid MOT to be legal. But an MOT isn’t necessarily required to buy car insurance, or to receive a payment after a theft or accident.

You may need insurance on a car that’s declared SORN and kept away from public roads. Or you may need cover to travel to the MOT test itself.

If you drive without a valid MOT for any other reason, your insurer may declare your policy invalid. This depends on the insurance company and their policy documents.

The Financial Ombudsman has occasionally challenged this. That’s when an insurer has refused a payment over a lapsed MOT, but the condition of the car had no bearing on the accident.

Even so, if you claim on a car without a valid MOT, expect a lower payout. It’s likely to reflect the value of a non-MOT’d car, which is significantly less.

How much does an MOT cost?

There’s no minimum cost for an MOT test. But according to gov.uk, the maximum fee set by the DVSA for a car is £54.85, and you don’t pay VAT on it.

A test usually takes around 45 to 60 minutes. It shouldn’t take less than 45 minutes, which is the minimum time the DVSA sets.

You might find cheaper deals by shopping around, as garages hope to win repeat business by getting you in for a low-cost MOT.

If your car is likely to be fault-free, it’s worth looking for the cheapest offer. But if you suspect significant repairs are needed, it’s better to choose a garage you trust to do the work.

The new MOT rules from May 2018 mean you might not be able to drive away on a dangerous fault until it’s fixed. That can mean paying more for repairs if you pick a garage just for a cheap MOT offer.

This also applies to council MOT test centres, which have long been a way to save money. These facilities are usually for council vehicles, but they must be open to the public and usually don’t do repairs. So there’s no incentive for them to find faults for the sake of it, which can keep the cost down.

What happens if your car fails your MOT?

If your car fails, the test centre gives you a VT30 refusal certificate that lists every problem it found.

Faults are graded. A dangerous or major defect means your car fails the test. Minor defects and advisories are noted too, but they don’t fail the test on their own.

You can’t drive away on a dangerous fault, even to another garage, until it’s been repaired.

If you leave the car at the same test centre for repair and it’s retested within 10 working days, there’s no fee for the retest.

You can also take the car away for repairs. Bring it back to the same centre by the end of the next working day for a partial retest, and there’s no cost. Return after 10 working days, and you’ll be charged a partial retest fee.

How to find a local MOT centre or garage

It’s easy to find your local MOT centre or garage with a quick search. Alongside smaller local garages, you’ll find the latest offers from national brands like Kwik Fit and Halfords. You can also search for council MOT centres.

It’s worth asking friends and family, or checking social media, for recommendations of good local garages for your MOT.

How do you sell a car without an MOT?

Can you sell a car without an MOT if you don’t want to go through the testing process for any reason?

Sometimes it doesn’t seem worth the time and effort, especially for older cars with little value and lots of potential problems. But is it legal, and does it have any downsides? Let’s answer that.

Can you sell a car without an MOT?

The simple answer is yes, you can sell a car without a valid MOT certificate. But there are some downsides.

It can’t be legally driven and tested by any potential car buyer on the road. It will need to be taken away on a trailer or lorry, which can delay the sale and removal.

Selling a car without an MOT means a smaller group of potential buyers. It also means the sale price may be significantly lower than if you had a valid test certificate.

It’s still an option if you just need the space in your garage or on your driveway. Be wary of cars being sold without an MOT, though. They are more likely to have a Cat D status and could be dangerous.

Who will buy cars without an MOT?

The biggest buyers of cars without an MOT tend to be online car buying services and trade dealers. That’s because they have access to removal services to take cars away cheaply and hassle-free. A private buyer may struggle to find a suitable solution.

You can also sell MOT failures right here on Motorway. We work directly with 8,000 verified dealers and scrap buyers. They compete to buy your car, including MOT failures, with free home collection and same-day payment.

Scrapping a car with no MOT

If your car fails the MOT test, one option is to sell it for scrap. But remember you won’t be able to legally drive it there.

So unless you own a trailer, the best financial option is to sell it to a car scrapping service that will come and collect it.

As with selling your car, you’ll potentially get slightly less than if you delivered it yourself. But if you hired a trailer, it could end up costing you to scrap your car. If you want a scrap buyer that offers collection, on Motorway we work with a company called Car Take Back that offers a great service.

What are the most common reasons for MOT failure?

Millions of cars fail the MOT test every year in the UK, often for things that are quick and easy to check. Many of the most common failures can be fixed in minutes, saving you potential repair costs.

According to DVSA MOT testing data, these were the most common failure categories for cars and light vans (Class 3 and 4) in 2024/25. Each figure is the share of initial tests with a fault in that category, not a share of all failures. The overall initial failure rate was 28.08%.

Based on that DVSA data, the top categories were:

• Lamps, reflectors and electrical equipment: 10.89%
• Suspension: 8.73%
• Brakes: 6.63%
• Tyres: 6.39%
• Visibility: 4.54%

Many of these are quick to check yourself before the test. Here’s what to look at:

• Lamps: check the fog, reversing, daytime running, head, and brake lights, as most bulbs are quick and cheap to replace.
• Suspension: push down on each corner of the car and let go to see if it settles back quickly.
• Brakes: watch for loose or unresponsive handbrakes, or ones that don’t ratchet up properly.
• Tyres: check the pressures and tread using the wear guides or a 20p coin in the main grooves.
• Visibility: make sure the washers and wipers clear the glass, with no chip over 10mm in the driver’s central view.
• Exhaust: start the car and listen for unusual smoke or noise, especially on a diesel with a particulate filter.
• Steering: check for stiff or unresponsive steering before you take the car in.
• Fluids: top up the brake fluid, washer fluid, and oil, and look for any leaks.
• Bodywork: check for rust, as holes near structural points will fail the test.
• Other items: test the fuel cap, mirrors, horn, and seatbelts, and check no warning lights stay on.

Top tips to pass your MOT

It’s best to plan for your MOT with plenty of time to spare. That means giving your car a check, finding the right garage, and booking it in early to allow for potential failures and repairs.

Giving your car a thorough clean and once-over will help. A clean car won’t perform better on the test, but it helps you spot issues before the MOT centre does. As mentioned above, it’s cheaper to replace a blown bulb yourself than to pay a garage.

Checking fluids and replacing old wiper blades will also mean better, safer driving beyond the MOT test itself.

You can also get some potential MOT failures repaired for free before the big test. Many comprehensive insurance policies include windscreen repairs.

MOT rules for 2026: what’s changed

There’s often talk of changes to the MOT, so here’s what actually applies for 2026.

Your first MOT is still due when your car is three years old. After that, you need one every year.

The government consulted on this in 2023. In January 2024, the Department for Transport confirmed it would not move the first MOT to four years, so the three-year rule stays.

The changes coming in 2026 are aimed at MOT tester discipline and garage equipment. They don’t change what’s checked on your car, or how often you need a test.

Ready to sell?

Need to sell your car or check your MOT status, or want to understand more about documentation or maintenance? Check out more of our guides here, covering everything from the paperwork you need when buying and selling, to various notices you may need to file with the UK’s driver and vehicle licensing agency. 

• MOT – The ultimate guide
• Can you sell a car without an MOT?
• How much does it cost to get an MOT?
• How to tax your car – The ultimate guide to car tax
• How to sell a car on Motorway
• V5C – The ultimate guide to the V5 Logbook
• How to get cash for your car
• How to sell a car with a V5C
• Car selling tips
• The DVLA and selling your car – the ultimate guide
• How to transfer car ownership
• How to get the best price for my car