What Tyres Does My Car Need?

Getting the right type of tyres for your vehicle can be worrisome. This is because there are so many things to consider such as tyre size, speed rating symbols, load index, and many more. This means that when you make a mistake, it will be a disaster. This is why lots of drivers are asking confusing questions: what tyres does my car need?

Whenever tyres become too damaged, old, or worn out, you should purchase new ones. But there are three important things you need to understand when you want to buy new tyres for your vehicle. They are size, speed rating and load index. It is vital you make the right selection if you must maintain optimal safety, performance, and fuel efficiency.

What tyres do I need is one question that needs answers. The good thing is that all of this info can be found easily. Just check inside the driver’s door of your vehicle for the info. Go inside the fuel flap or inside the glove compartment and you will find it. However, you can still contact your car’s documentation and tyre manufacturer specifications.

As you know, it is vital that you understand what tyres your vehicle would need. So in today’s article, I will be sharing some information that will enable you to know what tyres your car needs.

Read: 25 Best Summer Tyres That You Can Buy Today

Find tyre size by reg

For those who ask what my tyre size is, the fastest way to quickly find what tyre sizes by reg is by making use of your vehicle registration lookup tool. It will provide you with a list of all the tyre sizes which should fit your brand of vehicle.

What tyres do I need?

Whenever you want to buy a new set of tyres, you should make sure you only go for tyres that have the same numbers to ensure a good fit. Check your tyre sidewall, you’ll find a set of numbers on the tyre. When you find it, the numbers there are your tyre size. But you have to read the number from left to right, the same way to find car tyre sizes list.

 This is a tyre size calculator that you can use: https://tiresize.com/tyre-size-calculator/

Correct tyre pressure for my car

In case you want to know the correct tyre pressure for my car, the manufacturer’s recommendation for pressure in car tyres is between 30 – 35 PSI. Note that this number is recommended to help maximum vehicle load. But if you go lower than this tyre pressure, it might lead to poor fuel economy and can prematurely wear off your car tyres.

To know the correct tyre pressure for your car, check the tyre sidewalls. It will look like this Max.press. 35. PSI. This indicates the max on cold pressure that your tyres require to support your car’s maximum load.

In case you don’t know, the cold pressure is known as something that pumps up your tyres whenever they’re cold. So the best time to do this is after your tyres have cooled down or first thing in the morning.

Read: 15 Best Budget Tyres For BMW In 2022 – Ultimate Guide

Tyre size explained

what tyres does my car need

Sometimes when you look at some tyre sizes chart, you might get confused. So that is why tyre size is explained here for your easy understanding.

Width: The tyre width is the overall width of the tyre, and this can be identified by the first 3 digits on your tyre sidewall. But note that wider tyres provide better grip, though can create excessive noise while driving.

Rim: A rim is what you will see when you remove a wheel’s tyre. But note that width of the rim may vary slightly from the width of the tyre, and this is why there are two separately given dimensions.

Profile: Next is the ‘aspect ratio’ which happens to be the height of the tyre’s sidewall divided by the width of the tyre, and then multiplied by 100. This needs to be calculated rightly, it is very important.

Speed Rating: This is a letter that shows the maximum speed in which your car tyres can carry load. It is sometimes confused as the load capacity index.

Extra Load (XL): It is known that some cars need tyres that are high rated to carry a bigger load. You can find this info on the tyre sidewall which is marked as Extra Load (XL) or Reinforced (RF).

Load Index: This is what shows the maximum weight your vehicle’s tyre can carry at the speed that the speed rating symbol indicates.

Runflat: These kinds of tyres are designed in reinforced sidewalls that carry the weight of the car in case of any pressure loss. It is a self-supporting tyre technology that can be found on BMWs and Minis. It allows you to continue driving with a flat tyre for about 50 miles per hour.

Read: 10 Best All Season Tires For Ford Focus In 2022

What tyres does my car need?

It is essential to know the tyre size of your car for a variety of reasons. It might be that you want to get your tyres replaced, or you want to browse for some new tyres online.

Whatever the reason, it is important that you know where to locate the tyre size and how to read the tyre sidewall to ensure you find out the correct tyre size for your vehicle.

However, you need to make the selection of your tyre size in strict accordance with your car documents and tyre manufacturer’s recommendations. Whenever the combined tyre and wheel diameters are not rightly matched, then there will be major differences in your car height and speedometer readings.

When I had an issue with knowing what tyres does my car needs, I tried fitting 17-inch-diameter wheels to my vehicle which produced 14-inch-diameter wheels, and this changed the ride height. This means the vehicle body will be a bit higher off the ground. You will also notice a slight increase in top speed, and the vehicle’s speedometer will no longer be correct. This will also mean that your car will accelerate slower than before.

Read: 10 Best Tires For A Ford Fusion In 2022


I guess I have been able to answer your question “what tyres does my car need?” As you can see, all information is written for you to understand it clearly. But if you are still confused, you can contact your local car shop for help. Remember that spending adequate time on choosing the right set of tyres is vital to your safety and comfort.

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