What Does an MOT Advisory Mean?

What does an MOT advisory mean? It means your car passed its MOT, but the tester noticed something that will need attention soon. An advisory is a warning, not a fail: the vehicle met the minimum road safety and environmental standards on the day of the test, yet a part is wearing out, corroding or approaching a legal limit. Ignore advisories and they usually turn into a fail at the next test, and a bigger bill.

Last updated: November 2026. All rules and fines in this guide are checked against GOV.UK and DVSA sources listed at the end.

What an MOT advisory is

An MOT advisory notice is a note a tester adds to a pass result. It says, in effect, that this item is legal and safe enough today, but it will not stay that way for long. The tester is not guessing: advisories are recorded against the DVSA MOT inspection manual, which sets out what testers must check and how they must grade what they find. Typical advisories include a tyre worn close to the legal limit, brake pads getting thin, early corrosion on a brake pipe, or a suspension bush starting to show wear. The advisory appears on the MOT certificate and in the vehicle’s MOT history, so it stays on the record even after the car is sold.

It helps to understand why advisories exist at all. The MOT is a minimum standard, not a guarantee that the car is in perfect condition. A tyre with 2mm of tread passes the test, because the legal minimum is 1.6mm across the central three-quarters of the tread, but it will not pass in a few thousand miles. Rather than failing a car that meets the legal standard today, the tester passes it and warns the owner. That warning is the advisory. It gives you time to plan and budget, and it gives a buyer a fair picture of what a car will need next.

Advisory, Minor, Major and Dangerous: how the grades differ

Since May 2018, defects found at an MOT are graded, and the grade decides the result. Advisories sit at the mild end of that scale, but they are easy to confuse with Minor defects, which look similar but are not the same thing.

Grade	Result	What it means	What you should do
Advisory	Pass	An item that passed but needs attention soon. It is a warning about future wear or a part near a limit.	Plan the repair and budget for it before the next test.
Minor	Pass	A defect with no significant effect on safety or the environment, which must still be repaired as soon as possible.	Repair it promptly, even though the car passed.
Major	Fail	A defect that may affect safety, put other road users at risk or harm the environment.	Repair it and pass a retest before driving the car normally.
Dangerous	Fail	A defect that is a direct and immediate risk to road safety, or has a serious environmental impact.	Do not drive the car until it is fixed.

The difference between an Advisory and a Minor defect matters in practice. An Advisory is a warning that something is heading towards a problem. A Minor is an actual defect, recorded as such, that the tester has decided is not yet serious enough to fail the car. GOV.UK explains that the vehicle will still pass with a Minor defect, but the defect must be repaired as soon as possible. Treat both as jobs on your to-do list, but treat a Minor as the more urgent of the two. For a full explanation of the grades, see our guide on how to read an MOT history report.

Where advisories appear on your MOT record

Advisories appear in three places, and it is worth knowing all three. First, they are printed on the MOT test certificate you receive after the test, in a section headed advisory notices. Second, they are stored in the vehicle’s MOT history, which anyone can check free on GOV.UK or on the MOTBuddy MOT history checker using only the registration number. Third, some garages list them on the invoice or in a separate inspection report, sometimes with a quote for the work or a traffic-light rating of their own.

When you read an advisory, read the exact wording, not just the headline. The wording tells you which side of the car is affected, nearside is the left and offside is the right, and it usually gives a reason, such as worn close to the legal limit, slightly corroded, or slight play. Those words are chosen carefully, and they are the best clue to how urgent the job is. Worn close to the legal limit means replace it soon. Slightly worn means early wear that is worth watching. Excessively worn would not be an advisory at all: it would be a Major or Dangerous defect and a fail.

The most common MOT advisories, and what each one means

Advisories cluster around the same handful of parts, because those are the parts that wear out gradually. The table below covers the ones you are most likely to see, the wording testers typically use, and how to judge the urgency. Repair costs vary widely by car, garage and region, so get a written quote rather than relying on a rule of thumb, and be careful of anyone who quotes a price without seeing the car.

Common advisory	Typical wording	How urgent is it?
Tyre wear	Tyre worn close to the legal limit	Soon. The legal minimum is 1.6mm of tread, and a tyre close to that limit will need replacing within a few thousand miles.
Brake pads or discs	Brake pad or disc worn, but not excessively	Soon. Brakes wear with every mile, and thin pads will fail at the next test if they are not replaced.
Corrosion	Brake pipe, fuel pipe or bodywork slightly corroded	Watch it. Light surface corrosion can stay stable, but corrosion on brake pipes or structural parts gets worse and can become a fail.
Suspension wear	Suspension bush or ball joint with slight play	Plan it. Slight play is early wear, but it can develop into a rattle, uneven tyre wear or a fail.
Fluid leaks	Oil leak, but not excessive	Check the level regularly and find the source. A small leak can become a large one, and a serious leak is a fail.
Exhaust condition	Exhaust has a minor leak or is corroded	Soon. A corroded exhaust can become noisy, leak fumes or fail emissions at the next test.
Windscreen and wipers	Wiper blade deteriorated, or windscreen chip outside the driver’s view	Soon. Wiper blades are cheap, while a chip that grows into the driver’s line of sight can become a fail.

Two things stand out from that table. The first is that most advisories are about wear, not about sudden failure. They are the car telling you, through the tester, that something has a limited life left. The second is that almost every advisory, if ignored, becomes a fail. A tyre near the limit becomes a tyre below the limit. Thin brake pads become worn-out brake pads. Light corrosion becomes serious corrosion. That is the real cost of ignoring advisories: you pay more later, and you risk failing the next test.

Worked example: one advisory on an otherwise clean car (illustrative sample data)

Take AB12 CDE, the Ford Focus 1.5 EcoBoost, 2019, shown as illustrative sample data on the MOTBuddy MOT history checker. Its most recent test, on 14 March 2026, was a PASS at 44,930 miles, with a single advisory: the front-left tyre is worn close to the legal limit. The previous tests, in March 2025 and March 2024, were clean passes apart from a headlamp aim failure in 2024 that was fixed and passed the same day.

That single advisory is a textbook example of how to read one. It tells you the car is roadworthy today, that the tyre is still legal, and that you should budget for a replacement tyre in the near future. A sensible buyer would check the tread on all four tyres at the viewing, ask when the other tyres were last replaced, and allow for the cost of at least one new tyre when judging the price. The advisory does not make the Focus a bad buy. It makes the Focus a buy with a known, small, near-term cost, which is the best kind of information a buyer can have.

The pattern that matters more than any single advisory

A single advisory is routine. A repeated advisory is a story. If the same advisory appears in the MOT history in 2024, 2025 and 2026, the owner has been warned three times and has done nothing about it. That tells you two things: the item will now be worse than the wording suggests, because wear does not stop between tests, and the owner tends to repair things only when forced to. Now compare that with the other sample vehicle on the MOTBuddy checker page, CD34 EFG, a Vauxhall Astra 1.2 Turbo, 2018. Its recent history shows failures on brakes, exhaust, headlamp aim, a worn tyre and emissions, with the most recent test in March 2026 a fail. That is the pattern of a car whose problems have been left until the MOT forces the issue, and it is a very different proposition from a car with one advisory and a clean record.

There is an opposite pattern too, and it is good news. An advisory that appears once and never returns was probably fixed between tests. The MOT history records what the tester saw on the day, not what the owner did afterwards, so a disappearing advisory usually means the owner took the warning seriously. When you read a history, look at advisories across years, not just on the latest test. The trend across three or four years tells you how the car has been looked after.

Can you drive, insure or sell a car with an advisory?

Yes, you can drive a car that has an advisory, because the car passed its MOT and the advisory is not a fail. Your insurance is not automatically affected by an advisory either. But both answers come with a condition that matters: you must keep the vehicle in a roadworthy condition. If an advisory item becomes dangerous, for example a tyre that wears below the legal limit, and you keep driving, you can be fined, and your insurer may take a different view if you have an accident. GOV.UK states that driving a vehicle in a dangerous condition can lead to a fine of up to 2,500 pounds, a ban from driving and 3 penalty points. An advisory itself is not a dangerous condition, but an advisory ignored for long enough can become one.

Selling a car with advisories is also straightforward, because advisories are on the public record. Any buyer who checks the MOT history will see them, so there is no point hiding them. The honest approach is to price the car with the advisories in mind, or fix the items before you sell. A seller who fixes a tyre advisory and can show the invoice turns a weakness into a selling point, while a seller who hides it will lose the buyer’s trust when the record is checked.

How long can you ignore an advisory?

There is no legal deadline for fixing an advisory, because there is no law that says advisories must be repaired. But there is a practical deadline, and it is set by the part itself. A tyre worn close to the legal limit has a few thousand miles left, not a few years. A brake pad that is getting thin will be thinner at the next test. Corrosion on a brake pipe will not reverse itself. The honest answer is that you should treat an advisory as a job to do within weeks or a few months, and sooner for anything to do with tyres, brakes or steering.

Prioritise safety first. Tyres, brakes and steering affect whether the car stops and turns, so fix those before cosmetic or comfort items. Then deal with anything that will fail the next MOT, such as a tyre at the limit or a corroded exhaust, because fixing it now is usually cheaper than fixing it under the pressure of a failed test. Keep the invoice. It proves the work was done, it supports the price when you sell, and it closes the loop on the advisory in the car’s history.

Advisories when buying a used car

When you are buying, advisories are negotiating information, not a reason to walk away on their own. Check the MOT history before you view the car, count the advisories on the latest test, and look for repeats across years. Get a quote for the open items, then decide whether the asking price still makes sense once those costs are added, or ask the seller to fix the safety items first. A car with one advisory and a clean record is normal. A car with a long list of advisories, or the same advisory for three years running, needs a much closer look and a lower price. If you are unsure how to weigh what you find, our guide on most common MOT failure reasons in the UK shows which faults most often turn into fails, and Dangerous MOT defects explained covers the grade you should never ignore.

Related guides

Advisories only make sense in the context of the whole report. Start with how to read an MOT history report, then use this guide to judge the advisories you find, and check the failure reasons and Dangerous defects guides before you decide on a car.

Sources

GOV.UK, Getting an MOT: MOT test result: gov.uk/getting-an-mot/after-the-test
GOV.UK, Check the MOT history of a vehicle: gov.uk/check-mot-history
DVSA, MOT inspection manual: gov.uk MOT inspection manual