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Ah, the dreaded MOT test has rolled around once again, has it? For some drivers, their vehicle’s MOT can be a great source of anxiety — what with all the checks and opportunities for a fail. But this shouldn’t be the case at all.
If you know what to expect from an MOT, you can prepare your vehicle in advance and avoid any nasty surprises at the test centre.
When it comes to spare wheels and regular tyres, there are a number of things you should bear in mind for your MOT. Will you fail an MOT with a spare tyre fitted? Do you legally need to carry a spare wheel to pass an MOT? Are spare wheels inspected in an MOT?
If you’re unsure of the answers to any of those questions, read on to find out.
Do you need to carry a spare wheel?
Before we get to MOTs, however, let’s discuss spare wheels in general. It’s always a good idea to carry one with you wherever you drive because, let’s face it, accidents happen when you least expect it.
That being said, there is no law that says you must carry a spare wheel with you as a driver. It is not a legal requirement to keep a spare wheel in your car and, if you break down, you won't be expected to be carrying one! In fact, you don’t have to carry any means of fixing a puncture at all.
According to recent research, 9 out of 10 new cars sold in the UK no longer come with a spare wheel at all!
Are spare wheels checked in an MOT?
Although MOTs are designed to be thorough and catch all potential faults with a vehicle, it is impossible for them to check everything.
After checking the brakes, the lights, the tyres, and all of the instruments, there is hardly any time to inspect the spare. With that being said, spare wheels are not checked in an MOT since they are not a legal requirement. This applies to both full-size spare wheels and space-saver spare wheels.
However, if you bring your car in for an MOT and it is fitted with a space-saver spare wheel, it will fail instantly. If your car should fail its MOT, you can get a free retest with Kwik Fit here.
You can find out more about all the things that are checked in an MOT with another of our blogs here.
Can spare wheels be illegal?
Just because spare wheels are not checked in an MOT, however, doesn’t mean they are harmless. Just like regular tyres, spare tyres can become damaged or encounter wear and tear that may render them illegal.
If you are caught driving with an illegal tyre — spare or otherwise — you may be subject to a fine of up to £2,500. Aside from the financial cost, however, driving on unsafe tyres could also cost you your life. If your tyre or spare wheel has a tyre tread depth of less than 1.6mm, it is classified as illegal due to insufficient handling and braking abilities.
While spare wheels are not checked in an MOT test, regular tyres most definitely are. Regular tyres are assessed in four main areas during an MOT which are:
Condition
Security (how the wheels are attached to the car)
Suitability (size and type)
Tread Depth
Your tyres will also be inspected to see if there are any damaged areas such as scrapes, lumps, cuts, or even punctures (you’d be surprised).
If your vehicle does not have four road-worthy, legal tyres, it will not pass its MOT.
Driving in heavy rain can be tricky and bring extra risks. Check out our guide for top tips to stay safe and avoid breakdowns if travelling in wet conditions.
Is the UK on the verge of ‘the coldest winter for 50 years?’ Even if El Niño doesn't hit the UK this winter, reduce the risk of a winter breakdown by making sure your car battery is winter-ready.
Your tyre size can be found on the sidewall of your current tyre and is a sequence of numbers and letters. The most common tyre size in the UK is 205/55R16 but there are many variations so it’s important to check your existing tyre first before searching for tyres.
Tip: Take a photo of your existing tyre sidewall to make it easier to identify your tyre size using the guide below.
The first three digits. This displays the width of the tyre in millimetres. A tyre marked 225 will measure 225mm across the tread from sidewall to sidewall.
Aspect Ratio
The fourth and fifth digits of the tyre code that immediately follow the tyre width. The aspect ratio or profile height of the tyre sidewall is expressed as a percentage of the tyre width. So an aspect ratio of 55 for example means that the profile height of the tyre is 55% of its width.
Rim Diameter
The next two digits represent the size of the wheel rim that the tyre can be fitted to. It is also the diameter of the tyre from bead to bead. So a tyre marked 16 will fit on a 16-inch wheel rim.
Speed Rating
The speed rating of a tyre is represented by a letter of the alphabet at the end of the tyre size code and indicates the maximum speed capability of the tyre. Tyres receive a speed rating based on a series of tests which measure the tyres capability to handle a set speed for a prolonged period of time.
Select your tyre speed rating to find out the maximum speed your tyres can maintain.
If you are unsure what speed rating you need, be sure to check your vehicle handbook. Choosing a lower speed rating than that recommended by your vehicle manufacturer could potentially invalidate your insurance.
Load Rating
The load index provides information on the maximum weight capability for the tyre. The load index is a numerical code that can be located just after the tyre size marking and before the speed rating.
Select your load index to find out the maximum load capability for your tyres.
Although not illegal, it is not advisable to have tyres with a lower speed rating or load index than the manufacturer recommended tyre specification for your vehicle, or to have a combination of different tyre construction types. Consult your vehicle handbook to confirm your vehicle’s tyre speed rating and load index as well as any additional requirements.
0800 75 76 77 You can reach our customer care team 6 days a week from 9:00am to 6:00pm on Monday and Thursday, 8:30am to 6:00pm Tuesday, Wednesday and Friday, 8:30am to 5:00pm Saturday, and 10:00am to 4:00pm on Bank Holidays.
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We endeavour to ensure we are displaying the correct tyres for your vehicle. However, we recommend all customers check the tyre size printed on the side wall of their tyres before proceeding with a tyre purchase as occasionally discrepancies do occur. By selecting the tyre sizes above and clicking 'Continue', you are indicating that you have checked your tyre sizes.
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Please note: There is a slope that the vehicle must be driven up to reach the vehicle ramp at this centre. This may prevent us from being able to work on some high-performance vehicles, Tesla vehicles or vehicles that have been lowered. If your vehicle has low ground clearance, please contact the centre team on 01342 314 111 before booking.
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